Sir Isaac Newton merupakan ilmuwan jenius penemu teori gravitasi dan Hukum Newton. Yuk, ketahui biografi tokoh dunia satu ini yang pastinya menarik banget!
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Gara-gara peristiwa apel, Sir Isaac Newton menjadi ilmuwan terkenal hingga saat ini. Apakah kamu tahu kisahnya?
Dipercayai suatu waktu, ia sedang duduk di bawah pohon apel dan melihat buah manis itu jatuh ke tanah. Peristiwa yang mungkin dianggap sepele itu, nyatanya dipikirkan dengan serius oleh Newton.
“Kok bisa, sih, apel itu turun ke tanah? Pasti ada yang mempengaruhinya,” mungkin demikian batin Newton kala itu.
Kisah ini pun berkembang hingga sekarang di seluruh dunia dan dipercaya sebagai latar belakang Isaac Newton mengungkap fakta soal gravitasi dan hukum alam semesta. Apakah kamu percaya kisah itu? Lebih lengkapnya, yuk, kita baca biografi dan profil Sir Isaac Newton, tokoh penemu gravitasi dan Hukum Newton terlebih dahulu!
Baca Juga: Bunyi 3 Hukum Newton, Rumus & Contoh Penerapannya | Fisika Kelas 8
Mengenal Sir Isaac Newton
Sir Isaac Newton, atau dikenal sebagai Isaac Newton, merupakan bintang fisika, matematika, dan astronomi. Nggak hanya pada masanya, bahkan hingga sekarang. Ia lahir di Woolsthorpe, Lincolnshire, Inggris, pada 4 Januari 1643.
Ayahnya juga bernama sama dengannya, sementara ibunya bernama Hannah Ayscough. Tiga bulan sebelum kelahirannya, sang ayah meninggal dunia. Newton tinggal bersama neneknya lantaran ibunya menikah lagi dengan sang ayah tiri bernama Barnabas Smith, seorang pendeta kaya.
Memasuki persiapan ke universitas, Newton dikirim ibunya untuk sekolah tata bahasa di Grantham, Inggris. Di sana lah Newton menunjukkan bakat dalam keterampilan mekanik dan teknik. Bahkan, ia mampu membangun model mesin, seperti jam dan kincir angin.
Beberapa waktu kemudian, ia memulai studinya di Trinity College, Cambridge, di masa Revolusi Ilmiah sedang berlangsung.
Berbeda dengan masa sebelumnya yang masih terpaku dengan sistem geosentris alam semesta hasil pemikiran Aristoteles dan Plato, pada masa ini, para astronom termasuk Nicolaus Copernicus dan Johannes Kepler, telah menguraikan sistem heliosentris alam semesta. Bahkan, Galileo Galilei pun telah menetapkan dasar bagi ilmu matematika tentang gerak. Perkembangan ini memberi banyak pengaruh bagi pemikiran Isaac Newton.
Baca Juga: Siapakah Penemu Lampu Lalu Lintas, John Peake Knight atau Garret Morgan?
Terpengaruh Banyak Ilmuwan di Masa Revolusi Ilmiah
Meski kampusnya masih menekankan model akademis yang ketinggalan zaman, seperti Aristotelianisme, nyatanya Sir Isaac Newton terpengaruh banyak oleh para ilmuwan yang berkembang di masa Revolusi Ilmiah, termasuk Galileo Galilei.
Pada suatu waktu, Newton menulis catatan dengan judul “Quaestiones Quaedam Philosophicae” yang berarti “Pertanyaan Filosofis Tertentu”. Pada catatannya tersebut, ia pun menuliskan slogan “Plato adalah temanku, Aristoteles adalah temanku, tapi sahabatku adalah kebenaran”. Catatan ini lah yang mengungkapkan bahwa Newton telah sepenuhnya dipengaruhi oleh Revolusi Ilmiah.
Temuan Galileo Galilei soal bumi yang mengelilingi matahari, ternyata membuka mata dan pemikiran Newton. Isaac Newton sangat tertarik dengan penemuan Galileo, dan mulai berpikir Newton pun menyadari bahwa matematika menjadi cara untuk menjelaskan dan membuktikan adanya hukum-hukum yang mengatur alam semesta tersebut.
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Wow. Buat kamu penggemar Fisika, bakalan nge-fans banget sih sama Pakde Newton. Kayak, kenapa orang ini sangat jeniusss. Nah, sebelum kamu lanjut baca kisah tentang beliau, kamu boleh loh belajar Fisika bareng tutor yang keren-keren dari Ruangguru Privat Fisika!
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Apel dan Teori Gravitasi Isaac Newton
Masih kah kamu ingat dengan peristiwa apel Isaac Newton? Nah, kejadian itu disebut sebagai peristiwa yang mengilhami Sir Isaac Newton menemukan teori gravitasinya.
Pada suatu waktu, ketika Newton sedang memikirkan alam semesta. “Apa yang mempengaruhi bulan bisa mengelilingi bumi dan bumi mampu mengelilingi matahari?” demikian isi pikiran Newton kala itu. Isaac Newton sangat yakin bahwa ada hal yang menyebabkan kedua peristiwa alam semesta itu terjadi.
Bak sebuah pertanda, buah apel jatuh dari ranting pohon yang ia duduki tepat di depannya. Dia pun berpikir dan yakin penyebab apel jatuh adalah hal yang sama dengan penyebab bulan mengelilingi bumi dan bumi mengelilingi matahari. Ilmuwan tersebut sangat percaya ada gaya tarik menarik antara dua benda yang kemudian ia sebut sebagai gravitasi.
Newton memahami sebuah benda dengan massa yang lebih besar akan menarik benda-benda dengan massa yang lebih kecil. Itu lah mengapa apel jatuh ke tanah menuju bumi, karena massa bumi jauh lebih besar dibandingkan dengan massa apel. Dengan teori ini lah, ia dapat menjelaskan mengapa manusia tidak melayang di udara.
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Eits… nggak hanya itu lho teman-teman. Newton pun semakin berpikir bahwa gravitasi ini tidak hanya berpengaruh pada bumi dan yang ada di dalamnya melainkan meluas ke bulan dan luar angkasa. “Bagaimana kalau gravitasi ini sampai ke bulan dan seterusnya?” ujarnya.
Sebagai pembuktian teori gravitasi miliknya, ia pun menghitung gaya yang dibutuhkan untuk menjaga bulan tetap mengelilingi bumi dan membandingkannya dengan kekuatan yang membuat apel jatuh. Hasilnya pun sama! Sir Isaac Newton pun mengenalkan teori gravitasi temuannya, bahwa benda-benda memiliki gaya gravitasi yang saling tarik menarik.
Hukum Newton
Perlu kamu tahu, ternyata nggak hanya teori gravitasi lho penemuan Isaac Newton. Ia juga menemukan teori-teori lain, termasuk hukum Newton yang masih dipelajari sampai sekarang. Pada dasarnya, hukum Newton merupakan rumus matematika yang menjelaskan bagaimana benda bergerak ketika sebuah gaya bekerja pada benda tersebut. Adapun hukum ini ditulis dalam bukunya berjudul “Principia” yang terbit pada 1687 saat ia menjadi profesor matematika di Trinity College, Cambridge.
Hukum Newton terdiri dari Hukum Newton I, Hukum Newton II, dan Hukum Newton III. Lalu bagaimana, sih, isinya?
Hukum I Newton
Hukum I Newton menyatakan jika resultan gaya yang bekerja pada suatu benda sama dengan nol, maka benda yang awalnya diam akan selamanya diam. Di samping itu, benda yang awalnya bergerak lurus beraturan juga akan selamanya bergerak lurus beraturan dalam kecepatan tetap. Dalam fisika, Hukum Newton I disebut juga dengan hukum kelembaman/inersia secara matematis dapat ditulis dengan rumus ∑F = 0.
Hukum II Newton
Hukum II Newton menyatakan percepatan sebuah benda berbanding lurus dengan gaya total yang bekerja padanya, serta berbanding terbalik dengan massa benda tersebut. Sementara itu, arah percepatan akan sama dengan arah gaya total yang bekerja padanya. Adapun rumus hukum Newton II adalah F = m.a, dengan “F” adalah gaya (N), “m” adalah massa benda (kg), dan “a” adalah percepatan (m/s2).
Hukum III Newton
Hukum III Newton menyatakan jika benda didorong atau ditarik, maka benda tersebut akan mendorong atau menarik secara merata ke arah yang berlawanan. Secara mudah, hukum ketiga ini juga disebut dengan gaya aksi reaksi.
Baca Juga: Siapa Penemu Termometer? Begini Sejarah dan Perkembangan Alat Ukur Suhu Tersebut
Penemuan Lain Sir Isaac Newton
Sir Isaac Newton juga memiliki penemuan lain lho teman-teman, berikut ini di antaranya:
- Dalam optik, penemuannya tentang komposisi cahaya putih mengintegrasikan fenomena warna ke dalam ilmu cahaya dan meletakkan dasar bagi optik fisik modern.
- Dalam mekanika, tiga hukum geraknya, prinsip dasar fisika modern, menghasilkan perumusan hukum gravitasi universal.
- Dalam matematika, Isaac Newton menemukan perhitungan kalkulus yang mampu menghitung angka hingga yang paling kecil.
Buah pemikirannya pun dituliskan dalam buku berjudul “Philosophiae Naturalis Principia Mathematica” (Prinsip Matematika Filsafat Alam, 1687) dan menjadi salah satu karya tunggal terpenting dalam sejarah sains modern.
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Oke, itulah biografi Sir Isaac Newton, penemu gravitasi dan Hukum Newton yang bisa kamu jadikan inspirasi. Meski telah tiada, penemuan dan buah pikir Sir Isaac Newton di ilmu alam masih bermanfaat hingga sekarang. Yuk terus belajar untuk menjadi Newton selanjutnya dengan akses di ruangbelajar. Belajar jadi lebih seru dan fun!
Referensi:
Isaac Newton Timeline. Britannica. Diakses secara daring pada 3 Februari 2022.
Isaac Newton. Britannica. Diakses secara daring pada 3 Februari 2022.
Pengertian Hukum Newton 1, 2, 3: Bunyi, Rumus, dan Contohnya. Tirto.id. Diakses secara daring pada 3 Februari 2022.
Biografi Tokoh Dunia: Isaac Newton, Ilmuwan Jenius yang Takut Kritik. Kompas.com. Diakses secara daring pada 3 Februari 2022.
Sumber foto:
Britannica. Tautan: Isaac Newton | Achievements | Britannica
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<h1 class="content-title">
Biografi Isaac Newton: Penemu Teori Gravitasi & Hukum Newton </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/dinda-silviana-dewi" class="">Dinda Silviana Dewi</a> </p>
<p class="content-info"><span>September 25, 2024 • </span> <span>7 minutes read</span></p>
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<p><img decoding="async" style="width: 820px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Isaac%20Newton-01.jpg" alt="Biografi Isaac Newton" width="820" /></p>
<blockquote>
<p style="text-align: center;"><em>Sir Isaac Newton merupakan ilmuwan jenius penemu teori gravitasi dan Hukum Newton. Yuk, ketahui biografi tokoh dunia satu ini yang pastinya menarik banget!</em></p>
<p style="text-align: center;"><em>—</em></p>
</blockquote>
<p> </p>
<p style="text-align: justify;">Gara-gara peristiwa apel, Sir Isaac Newton menjadi ilmuwan terkenal hingga saat ini. Apakah kamu tahu kisahnya?</p>
<p style="text-align: justify;">Dipercayai suatu waktu, ia sedang duduk di bawah pohon apel dan melihat buah manis itu jatuh ke tanah. Peristiwa yang mungkin dianggap sepele itu, nyatanya dipikirkan dengan serius oleh Newton.</p>
<p style="text-align: justify;"><em>“Kok bisa, sih</em>, <em>apel itu turun ke tanah? Pasti ada yang mempengaruhinya,” </em>mungkin demikian batin Newton kala itu.</p>
<p style="text-align: justify;">Kisah ini pun berkembang hingga sekarang di seluruh dunia dan dipercaya sebagai latar belakang Isaac Newton mengungkap fakta soal gravitasi dan hukum alam semesta. Apakah kamu percaya kisah itu? Lebih lengkapnya, <em>yuk</em>, kita baca biografi dan profil Sir Isaac Newton, tokoh penemu gravitasi dan Hukum Newton terlebih dahulu!</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/hukum-newton">Bunyi 3 Hukum Newton, Rumus & Contoh Penerapannya | Fisika Kelas 8</a></strong></p>
<p> </p>
<h2><span style="font-size: 18pt;">Mengenal Sir Isaac Newton</span></h2>
<p style="text-align: justify;"><span style="font-weight: bold;">Sir Isaac Newton, atau dikenal sebagai Isaac Newton, merupakan bintang fisika, matematika, dan astronomi</span>. <em>Nggak </em>hanya pada masanya, bahkan hingga sekarang. Ia lahir di Woolsthorpe, Lincolnshire, Inggris, pada 4 Januari 1643.</p>
<p style="text-align: justify;">Ayahnya juga bernama sama dengannya, sementara ibunya bernama Hannah Ayscough. Tiga bulan sebelum kelahirannya, sang ayah meninggal dunia. Newton tinggal bersama neneknya lantaran ibunya menikah lagi dengan sang ayah tiri bernama Barnabas Smith, seorang pendeta kaya.</p>
<p style="text-align: justify;">Memasuki persiapan ke universitas, Newton dikirim ibunya untuk sekolah tata bahasa di Grantham, Inggris. Di sana lah Newton menunjukkan bakat dalam keterampilan mekanik dan teknik. Bahkan, ia mampu membangun model mesin, seperti jam dan kincir angin.</p>
<p style="text-align: justify;">Beberapa waktu kemudian, ia memulai studinya di Trinity College, Cambridge, di masa Revolusi Ilmiah sedang berlangsung.</p>
<p style="text-align: justify;">Berbeda dengan masa sebelumnya yang masih terpaku dengan sistem geosentris alam semesta hasil pemikiran Aristoteles dan Plato, pada masa ini, para astronom termasuk Nicolaus Copernicus dan Johannes Kepler, telah menguraikan sistem heliosentris alam semesta. Bahkan, Galileo Galilei pun telah menetapkan dasar bagi ilmu matematika tentang gerak. Perkembangan ini memberi banyak pengaruh bagi pemikiran Isaac Newton.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Isaac%20Newton-03.jpg" alt="Fakta Isaac Newton" width="600" /></p>
<p style="text-align: justify; font-weight: bold;">Baca Juga: <a href="/blog/penemu-lampu-lalu-lintas" rel="noopener">Siapakah Penemu Lampu Lalu Lintas, John Peake Knight atau Garret Morgan?</a></p>
<p> </p>
<h2><span style="font-size: 18pt;">Terpengaruh Banyak Ilmuwan di Masa Revolusi Ilmiah</span></h2>
<p style="text-align: justify;">Meski kampusnya masih menekankan model akademis yang ketinggalan zaman, seperti Aristotelianisme, nyatanya <strong>Sir Isaac Newton terpengaruh banyak oleh para ilmuwan</strong> yang berkembang di masa Revolusi Ilmiah, termasuk <strong>Galileo Galilei</strong>.</p>
<p style="text-align: justify;">Pada suatu waktu, Newton menulis catatan dengan judul “<em>Quaestiones Quaedam Philosophicae</em>” yang berarti “Pertanyaan Filosofis Tertentu”. Pada catatannya tersebut, ia pun menuliskan slogan “Plato adalah temanku, Aristoteles adalah temanku, tapi sahabatku adalah kebenaran”. Catatan ini lah yang mengungkapkan bahwa Newton telah sepenuhnya dipengaruhi oleh Revolusi Ilmiah.</p>
<p style="text-align: justify;">Temuan Galileo Galilei soal bumi yang mengelilingi matahari, ternyata membuka mata dan pemikiran Newton. Isaac Newton sangat tertarik dengan penemuan Galileo, dan mulai berpikir Newton pun menyadari bahwa matematika menjadi cara untuk menjelaskan dan membuktikan adanya hukum-hukum yang mengatur alam semesta tersebut.</p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Wow. Buat kamu penggemar Fisika, bakalan nge-<em>fans </em>banget sih sama Pakde Newton. Kayak, kenapa orang ini sangat jeniusss. Nah, sebelum kamu lanjut baca kisah tentang beliau, kamu boleh loh belajar Fisika bareng tutor yang keren-keren dari <strong><a href="https://www.ruangguru.com/privat/fisika" target="_blank" rel="nofollow noopener">Ruangguru Privat Fisika</a></strong>!</p>
<p style="text-align: justify;">Belajar nggak cuma menyenangkan, tapi kamu juga bakal diajari konsepnya sampai paham! Para pengajar di Ruangguru Privat juga sudah terstandarisasi kualitasnya, loh. Kamu juga bisa pilih nih, mau diajarkan secara langsung (<em>offline</em>) atau daring (<em>online</em>). Fleksibel, kan? Untuk info lebih lanjut, cuss klik link berikut!</p>
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<p> </p>
<h2><span style="font-size: 18pt;">Apel dan Teori Gravitasi Isaac Newton</span></h2>
<p style="text-align: justify;">Masih kah kamu ingat dengan peristiwa apel Isaac Newton? Nah, kejadian itu disebut sebagai peristiwa yang mengilhami Sir Isaac Newton menemukan teori gravitasinya.</p>
<p style="text-align: justify;">Pada suatu waktu, ketika Newton sedang memikirkan alam semesta. “<em>Apa yang mempengaruhi bulan bisa mengelilingi bumi dan bumi mampu mengelilingi matahari?</em>” demikian isi pikiran Newton kala itu. Isaac Newton sangat yakin bahwa ada hal yang menyebabkan kedua peristiwa alam semesta itu terjadi.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/WhatsApp%20Image%202022-02-03%20at%2011.31.54.jpeg" alt="Ilustrasi Sir Isaac Newton saat duduk di bawah pohon apel, menyadari adanya hukum gravitasi" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Bak sebuah pertanda, buah apel jatuh dari ranting pohon yang ia duduki tepat di depannya. Dia pun berpikir dan yakin penyebab apel jatuh adalah hal yang sama dengan penyebab bulan mengelilingi bumi dan bumi mengelilingi matahari. Ilmuwan tersebut sangat percaya ada gaya tarik menarik antara dua benda yang kemudian ia sebut sebagai gravitasi.</p>
<p style="text-align: justify;">Newton memahami sebuah benda dengan massa yang lebih besar akan menarik benda-benda dengan massa yang lebih kecil. Itu lah mengapa apel jatuh ke tanah menuju bumi, karena massa bumi jauh lebih besar dibandingkan dengan massa apel. Dengan teori ini lah, ia dapat menjelaskan mengapa manusia tidak melayang di udara.</p>
<p style="font-weight: bold;">Baca Juga: <a href="/blog/tokoh-penemu-televisi" rel="noopener">Siapa Tokoh Penemu Televisi, John Logie Baird atau Philo Farnsworth?</a></p>
<p style="text-align: justify;"><em>Eits… nggak </em>hanya itu <em>lho</em> teman-teman. Newton pun semakin berpikir bahwa gravitasi ini tidak hanya berpengaruh pada bumi dan yang ada di dalamnya melainkan meluas ke bulan dan luar angkasa. <em>“Bagaimana kalau gravitasi ini sampai ke bulan dan seterusnya?” </em>ujarnya.</p>
<p style="text-align: justify;">Sebagai pembuktian teori gravitasi miliknya, ia pun menghitung gaya yang dibutuhkan untuk menjaga bulan tetap mengelilingi bumi dan membandingkannya dengan kekuatan yang membuat apel jatuh. Hasilnya pun sama! Sir Isaac Newton pun mengenalkan teori gravitasi temuannya, bahwa benda-benda memiliki gaya gravitasi yang saling tarik menarik.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Hukum Newton</span></h2>
<p style="text-align: justify;">Perlu kamu tahu, ternyata <em>nggak </em>hanya teori gravitasi <em>lho</em> penemuan Isaac Newton. Ia juga menemukan teori-teori lain, termasuk hukum Newton yang masih dipelajari sampai sekarang. Pada dasarnya, hukum Newton merupakan rumus matematika yang menjelaskan bagaimana benda bergerak ketika sebuah gaya bekerja pada benda tersebut. Adapun hukum ini ditulis dalam bukunya berjudul “<em>Principia</em>” yang terbit pada 1687 saat ia menjadi profesor matematika di Trinity College, Cambridge.</p>
<p style="text-align: justify;">Hukum Newton terdiri dari Hukum Newton I, Hukum Newton II, dan Hukum Newton III. Lalu bagaimana, <em>sih</em>, isinya?</p>
<p> </p>
<h3><span style="font-size: 14pt;">Hukum I Newton</span></h3>
<p style="text-align: justify;">Hukum I Newton menyatakan jika resultan gaya yang bekerja pada suatu benda sama dengan nol, maka benda yang awalnya diam akan selamanya diam. Di samping itu, benda yang awalnya bergerak lurus beraturan juga akan selamanya bergerak lurus beraturan dalam kecepatan tetap. Dalam fisika, Hukum Newton I disebut juga dengan hukum kelembaman/inersia secara matematis dapat ditulis dengan rumus <span style="color: #212529;">∑F = 0</span><span style="color: #212529;">.</span></p>
<p style="text-align: justify;"><span style="color: #212529;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Isaac%20Newton-04.jpg" alt="Hukum I Newton - Biografi Isaac Newton" width="600" /></span></p>
<p> </p>
<h3><span style="font-size: 14pt;">Hukum II Newton</span></h3>
<p style="text-align: justify;"><span style="color: #000000;">Hukum II Newton menyatakan percepatan sebuah benda berbanding lurus dengan gaya total yang bekerja padanya, serta berbanding terbalik dengan massa benda tersebut. Sementara itu, arah percepatan akan sama dengan arah gaya total yang bekerja padanya. Adapun rumus hukum Newton II adalah </span><span style="color: #212529;">F = m.a, dengan “F” adalah gaya (N), “m” adalah massa benda (kg), dan “a” adalah percepatan (m/s</span><span style="color: #212529;"><sup>2</sup></span><span style="color: #212529;">).</span></p>
<p style="text-align: justify;"><span style="color: #212529;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Isaac%20Newton-05.jpg" alt="Hukum II Newton - Biografi Isaac Newton" width="600" /></span></p>
<p> </p>
<h3><span style="font-size: 14pt;">Hukum III Newton</span></h3>
<p style="text-align: justify;">Hukum III Newton menyatakan jika benda didorong atau ditarik, maka benda tersebut akan mendorong atau menarik secara merata ke arah yang berlawanan. Secara mudah, hukum ketiga ini juga disebut dengan gaya aksi reaksi.<span style="color: #000000;"> </span></p>
<p style="text-align: justify;"><span style="color: #000000;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Isaac%20Newton-06.jpg" alt="Hukum II Newton - Biografi Isaac Newton" width="600" /></span></p>
<p style="text-align: justify; font-size: 16px; font-weight: bold;">Baca Juga: <a href="/blog/penemu-termometer" rel="noopener">Siapa Penemu Termometer? Begini Sejarah dan Perkembangan Alat Ukur Suhu Tersebut</a></p>
<p> </p>
<h2><span style="font-size: 18pt;">Penemuan Lain Sir Isaac Newton</span></h2>
<p style="text-align: justify;">Sir Isaac Newton juga memiliki penemuan lain <em>lho</em> teman-teman, berikut ini di antaranya:</p>
<ul>
<li style="text-align: justify;" aria-level="1">Dalam <strong>optik</strong>, penemuannya tentang <strong>komposisi cahaya putih</strong> mengintegrasikan fenomena warna ke dalam ilmu cahaya dan meletakkan dasar bagi optik fisik modern.</li>
<li style="text-align: justify;" aria-level="1">Dalam <strong>mekanika</strong>, tiga hukum geraknya, prinsip dasar fisika modern, menghasilkan perumusan<strong> hukum gravitasi universal</strong>.</li>
<li style="text-align: justify;" aria-level="1">Dalam <strong>matematika</strong>, Isaac Newton menemukan perhitungan <strong>kalkulus</strong> yang mampu menghitung angka hingga yang paling kecil.</li>
</ul>
<p> </p>
<p style="text-align: justify;"><span style="color: #000000;">Buah pemikirannya pun dituliskan dalam buku berjudul “</span><em><span style="color: #000000;">Philosophiae Naturalis Principia Mathematica</span></em><span style="color: #000000;">” (Prinsip Matematika Filsafat Alam, 1687) dan menjadi salah satu karya tunggal terpenting dalam sejarah sains modern.</span></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;"><span style="color: #000000;">Oke, itulah biografi Sir Isaac Newton, penemu gravitasi dan Hukum Newton yang bisa kamu jadikan inspirasi. Meski telah tiada, penemuan dan buah pikir Sir Isaac Newton di ilmu alam masih bermanfaat hingga sekarang. </span><em><span style="color: #000000;">Yuk</span></em><span style="color: #000000;"> terus belajar untuk menjadi Newton selanjutnya dengan akses di </span><a style="font-weight: bold;" href="https://ruangguru.onelink.me/blPk/eaff0eb9" target="_blank" rel="noopener">ruangbelajar</a><span style="color: #000000;">. Belajar jadi lebih seru dan </span><em><span style="color: #000000;">fun!</span></em></p>
<p style="text-align: justify;"><em><span style="color: #000000;"><a class="rg-cta" style="text-align: center;" href="https://link.ruangguru.com/blPk/eaff0eb9" target="_blank" rel="noopener"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/cta/0ec4a2df-db2e-4ae1-8473-692756dcb684.jpeg" alt="IDN CTA Blog ruangbelajar Ruangguru" /></a></span></em></p>
<p style="text-align: justify; font-weight: bold;"><span style="color: #000000;">Referensi:</span></p>
<p style="text-align: left;"><span style="color: #000000;">Isaac Newton Timeline. Britannica. Diakses secara daring pada 3 Februari 2022.</span></p>
<p style="text-align: left;"><span style="color: #000000;">Isaac Newton. Britannica. Diakses secara daring pada 3 Februari 2022.</span></p>
<p style="text-align: left;"><span style="color: #212529;">Pengertian Hukum Newton 1, 2, 3: Bunyi, Rumus, dan Contohnya</span><span style="color: #212529;">. Tirto.id. Diakses secara daring pada 3 Februari 2022.</span></p>
<p style="text-align: left;"><span style="color: #2a2a2a;">Biografi Tokoh Dunia: Isaac Newton, Ilmuwan Jenius yang Takut Kritik</span><span style="color: #2a2a2a;">. Kompas.com. Diakses secara daring pada 3 Februari 2022.</span></p>
<p style="font-weight: bold; text-align: left;"><span style="color: #000000;">Sumber foto:</span></p>
<p style="text-align: left;"><span style="color: #000000;">Britannica. Tautan: </span>Isaac Newton | Achievements | Britannica</p>
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<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>