Yuk, kita belajar Gaya Lorentz secara lengkap, meliputi pengertian, kaidah tangan kanan, rumus, hingga contoh soalnya. Simak artikel Fisika kelas 9 ini sampai selesai, ya!
—
Pernah mendengar tentang Gaya Lorentz? Gaya ini diberi nama Lorentz karena penemunya bernama belakang Lorentz.
“Lho, Lorentz bukannya pembalap MotoGP, ya?”
Jorge Lorenzo (Sumber: giphy.com)
Itu mah, Lorenzo! Ah, gimana sih, Bambang!
Lorentz yang menemukan Gaya Lorentz itu nama panjangnya adalah Hendrik Antoon Lorentz.
“Ya maaf, aku kan tahunya Lorenzo yang pembalap itu hehehe.. Eh, tapi, ngomong-ngomong, Gaya Lorentz itu apa, sih?”
Pengertian Gaya Lorentz
Gaya Lorentz adalah gaya yang timbul akibat adanya arus listrik dalam suatu medan magnet. Jadi, jika kita memiliki suatu benda konduktor yang berada di dalam medan magnet, kemudian kita aliri benda tersebut dengan arus listrik, maka akan timbul suatu gaya yang mampu menggerakkan benda tersebut. Nah, gaya ini disebut dengan Gaya Lorentz.
Untuk memahaminya dengan lebih mudah, kamu bisa perhatikan percobaan yang ada pada cuplikan video berikut.
Percobaan Gaya Lorentz (Sumber: Catatan Si Rebiaz via YouTube)
Pada percobaan tersebut, terdapat sebuah benda konduktor berupa kawat yang diletakkan di antara dua buah magnet. Kedua magnet ini memiliki kutub yang berbeda, yaitu kutub Selatan (South/S) dan kutub Utara (North/N). Kemudian, kawat tersebut dialiri dengan arus listrik.
Tanda panah merah menunjukkan arah medan magnet, sedangkan garis kuning menunjukkan arah arus listrik yang mengalir pada kawat.
Baca Juga: Menghitung Besar Medan Magnet pada Kawat Lurus dan Kawat Melingkar
Coba perhatikan baik-baik. Apa yang terjadi pada kawat? Yup! Kawat tersebut ternyata membengkok ke atas. Hal ini terjadi akibat adanya Gaya Lorentz yang timbul.
“Kenapa kawatnya bengkok ke atas? Kenapa nggak ke bawah?”
Pertanyaan yang bagus! Kawat akan membengkok sesuai dengan arah Gaya Lorentz yang timbul. Pada percobaan tersebut, kawat membengkok ke atas karena Gaya Lorentz yang timbul mengarah ke atas.
Perlu diingat bahwa arah dari Gaya Lorentz selalu tegak lurus dengan arah arus listrik (I) dan arah medan magnet (B). Pada percobaan tersebut, arus listrik mengalir dari salah satu ujung kawat menuju ujung kawat yang lain seperti diilustrasikan oleh garis kuning pada video. Sedangkan medan magnetnya mengarah dari magnet berkutub Utara di sebelah kanan menuju magnet berkutub Selatan di sebelah kiri. Oleh karena itu, Gaya Lorentz yang timbul akan mengarah ke atas dan membengkokkan kawat ke arah atas pula.
Gampang, kan! Masih ada cara lebih mudah supaya kamu bisa memahami konsep dari Gaya Lorentz ini, lho! Caranya yaitu dengan mempraktikkan sendiri menggunakan tanganmu sesuai dengan kaidah tangan kanan.
Sekarang kita kembali lagi ke percobaan tadi, yuk! Kita gunakan kaidah tangan kanan untuk mengetahui arah Gaya Lorentz yang timbul.
Mengetahui Arah Gaya Lorentz (Sumber: Catatan Si Rebiaz via YouTube)
Nah, sudah paham kan, kenapa kawat pada percobaan ini membengkok ke atas? Kalau kamu pengen kawatnya bengkok ke bawah, tinggal diubah aja arah arus listriknya supaya arah Gaya Lorentz-nya juga ikut berubah.
“Waduh, diubah ke mana, ya?”
Ke mana, hayoo? Coba gunakan kaidah tangan kanan, deh! Pasti kamu akan tahu jawabannya dalam sekejap. Tulis jawaban kamu di kolom komentar, ya!
Rumus Gaya Lorentz
Namanya juga belajar Fisika, sudah pasti nggak akan jauh-jauh dari yang namanya rumus. Nah, si Gaya Lorentz ini juga punya rumus sendiri, teman.
Rumus Gaya Lorentz digunakan untuk menghitung besarnya Gaya Lorentz yang timbul dalam suatu medan magnet. Rumusnya dapat kamu lihat pada infografik berikut.
Kamu pasti langsung geleng-geleng kepala, kan, abis ngeliat rumus ini? Terus, dalam hati kamu bergumam,
“Ndak bisa rumus Gaya Lorentz…”
Cup cup cup.. Jangan sedih, ya. Kita coba pahami pelan-pelan dengan mengerjakan contoh soal berikut, yuk!
Contoh Soal
1. Untuk contoh soal yang pertama, kamu bisa lihat pertanyaannya pada gambar berikut ini. Kalau mau lihat jawaban atau penyelesaiannya, tinggal di-flip aja gambarnya, ya!
Lanjuut, kita coba contoh soal yang kedua, yuk!
2. Sebuah besi berarus listrik 8 A masuk ke dalam medan magnet yang besarnya 2 T. Medan magnet tersebut, arahnya tegak lurus terhadap arus listrik. Jika gaya Lorentz yang bekerja pada kawat adalah 4 N, maka panjang besi tersebut adalah…
Penyelesaian:
Diketahui:
I = 8 A
B = 2 T
F = 4 N
θ = 90° (karena tegak lurus)
Ditanya:
L = …?
Jawaban:
F = B . I . L . sin θ
L = F / (B . I . sin θ)
L = 4 / (2 . 8 . sin 90°)
L = 4 / (2 . 8 . 1)
L = 4 / 16
L = 0,25 m = 25 cm
Jadi, panjang besi tersebut adalah 0,25 meter atau 25 centimeter.
Lanjuut, ke soal terakhir~
3. Sebuah kawat berarus listrik sepanjang 100 cm berada dalam medan magnet yang membentuk sudut 30° dengan arah medan magnet. Besar medan magnet adalah 100 T dan besar gaya Lorentz adalah 150 N. Berapakah besar arus listrik yang mengaliri kawat?
Penyelesaian:
Diketahui:
L = 100 cm = 1 m
θ = 30°
B = 100 T
F = 150 N
Ditanya:
I = …?
Jawaban:
F = B . I . L . sin θ
I = F / (B . L . sin θ)
I = 150 / (100 . 1 . sin 30°)
I = 150 / (100 . 1 . 1/2)
I = 150 / 50
I = 3 A
Jadi, besar arus listrik yang mengaliri kawat tersebut adalah 3 Ampere.
Gimana? Sudah paham?
“Pahaaammm, cikguuu!”
Kalau begitu, selamat! Kamu sudah berhasil menambah satu ilmu baru, yaitu ilmu tentang Gaya Lorentz. Semoga bermanfaat, ya. Kalau ada yang ingin ditanyakan, kamu bisa tanya ke tutor favorit kamu di Roboguru Plus. Tinggal klik banner-nya aja ya, guys!
Referensi:
Zubaidah, S. dkk. (2015). Ilmu Pengetahuan Alam untuk SMP/MTs Kelas IX Semester 2. Jakarta: Pusat Kurikulum dan Perbukuan, Balitbang, Kemdikbud.
‘Hendrik Antoon Lorentz’, Wikipedia, [Daring]. Tautan: https://id.wikipedia.org/wiki/Hendrik_Antoon_Lorentz (Diakses: 20 April 2021)
‘Lorentz force’, Wikipedia, [Daring]. Tautan: https://en.wikipedia.org/wiki/Lorentz_force (Diakses: 20 April 2021)
Sumber Gambar:
GIF ‘Jorge Lorenzo’ [Daring]. Tautan: https://media.giphy.com/media/fnSR0EFiTw3uVhWpbE/giphy.gif (Diakses: 20 April 2021)
GIF ‘Mengetahui Arah Gaya Lorentz’ [Daring]. Tautan: https://www.youtube.com/watch?v=6RaU3QAGs-4&t=92s (Diakses: 20 April 2021)
GIF ‘Percobaan Gaya Lorentz’ [Daring]. Tautan: https://www.youtube.com/watch?v=6RaU3QAGs-4&t=92s (Diakses: 20 April 2021)
Artikel ini telah diperbarui pada 1 September 2022.
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<h1 class="content-title">
Mengenal Gaya Lorentz dan Kaidah Tangan Kanan | Fisika Kelas 9 </h1>
<div class="content-meta">
<p class="content-author"><a href="https://www.ruangguru.com/blog/author/kenya-swawikanti" class="">Kenya Swawikanti</a> </p>
<p class="content-info"><span>September 1, 2022 • </span> <span>5 minutes read</span></p>
<br />
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<p style="text-align: justify;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Gaya%20Lorentz.jpg" alt="Gaya Lorentz dan Kaidah Tangan Kanan" width="820" loading="lazy" style="width: 820px; margin-left: auto; margin-right: auto; display: block;"></p>
<blockquote>
<p style="text-align: center; font-size: 16px;"><em>Yuk, kita belajar Gaya Lorentz secara lengkap, meliputi pengertian, kaidah tangan kanan, rumus, hingga contoh soalnya. Simak <a href="/blog/tag/fisika-ix" rel="noopener" style="font-weight: bold;">artikel Fisika kelas 9</a> ini sampai selesai, ya!</em></p>
<p style="text-align: center; font-size: 16px;"><em>—</em></p>
</blockquote>
<p style="text-align: justify;"><span id="more-1780"></span></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;">Pernah mendengar tentang Gaya Lorentz? Gaya ini diberi nama Lorentz karena penemunya bernama belakang Lorentz.</p>
<p style="text-align: justify;"><em>“Lho, Lorentz bukannya pembalap MotoGP, ya?”</em></p>
<p style="text-align: justify;"> </p>
<div class="hs-embed-wrapper" data-service="giphy" data-responsive="true" style="position: relative; overflow: hidden; width: 100%; height: auto; padding: 0px; max-width: 600px; min-width: 256px; display: block; margin: auto;">
<div class="hs-embed-content-wrapper"><img decoding="async" src="https://media4.giphy.com/media/fnSR0EFiTw3uVhWpbE/giphy.gif" style="width: 100%;"></div>
</div>
<p style="text-align: center;"><em>Jorge Lorenzo (Sumber: giphy.com)</em></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;">Itu mah, Lorenzo! Ah, gimana sih, Bambang!</p>
<p style="text-align: justify;">Lorentz yang menemukan Gaya Lorentz itu nama panjangnya adalah Hendrik Antoon Lorentz.</p>
<p style="text-align: justify;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Penemu%20Gaya%20Lorentz.jpg" alt="Penemu Gaya Lorentz - Hendrik Antoon Lorentz" width="600" loading="lazy" style="width: 600px; margin-left: auto; margin-right: auto; display: block;"></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;"><em>“Ya maaf, aku kan tahunya Lorenzo yang pembalap itu hehehe.. Eh, tapi, ngomong-ngomong, Gaya Lorentz itu apa, sih?”</em></p>
<p style="text-align: justify;"> </p>
<h2 style="text-align: justify; font-size: 20px;">Pengertian Gaya Lorentz</h2>
<p style="text-align: justify;">Gaya Lorentz adalah <strong>gaya yang timbul akibat adanya arus listrik dalam suatu medan magnet</strong>. Jadi, jika kita memiliki suatu benda konduktor yang berada di dalam medan magnet, kemudian kita aliri benda tersebut dengan arus listrik, maka akan timbul suatu gaya yang mampu menggerakkan benda tersebut. Nah, gaya ini disebut dengan Gaya Lorentz.</p>
<p style="text-align: justify;">Untuk memahaminya dengan lebih mudah, kamu bisa perhatikan percobaan yang ada pada cuplikan video berikut.</p>
<p style="text-align: center;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Percobaan%20Gaya%20Lorentz.gif" alt="Percobaan Gaya Lorentz" width="600" loading="lazy" style="width: 600px; margin-left: auto; margin-right: auto; display: block;"></p>
<p style="text-align: center;"><em>Percobaan Gaya Lorentz (Sumber: Catatan Si Rebiaz via YouTube)</em></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;">Pada percobaan tersebut, terdapat sebuah benda konduktor berupa kawat yang diletakkan di antara dua buah magnet. Kedua magnet ini memiliki kutub yang berbeda, yaitu kutub Selatan (South/S) dan kutub Utara (North/N). Kemudian, kawat tersebut dialiri dengan arus listrik.</p>
<p style="text-align: justify;">Tanda panah merah menunjukkan arah medan magnet, sedangkan garis kuning menunjukkan arah arus listrik yang mengalir pada kawat. </p>
<p style="font-weight: bold;">Baca Juga: <a href="/blog/menghitung-besar-medan-magnet-pada-kawat-lurus-dan-kawat-melingkar" rel="noopener" target="_blank">Menghitung Besar Medan Magnet pada Kawat Lurus dan Kawat Melingkar</a></p>
<p style="text-align: justify;">Coba perhatikan baik-baik. Apa yang terjadi pada kawat? Yup! Kawat tersebut ternyata membengkok ke atas. Hal ini terjadi akibat adanya Gaya Lorentz yang timbul.</p>
<p style="text-align: justify;"><em>“Kenapa kawatnya bengkok ke atas? Kenapa nggak ke bawah?”</em></p>
<p style="text-align: justify;">Pertanyaan yang bagus! Kawat akan membengkok sesuai dengan arah Gaya Lorentz yang timbul. Pada percobaan tersebut, kawat membengkok ke atas karena Gaya Lorentz yang timbul mengarah ke atas.</p>
<p style="text-align: justify;">Perlu diingat bahwa arah dari Gaya Lorentz selalu tegak lurus dengan arah arus listrik (I) dan arah medan magnet (B). Pada percobaan tersebut, arus listrik mengalir dari salah satu ujung kawat menuju ujung kawat yang lain seperti diilustrasikan oleh garis kuning pada video. Sedangkan medan magnetnya mengarah dari magnet berkutub Utara di sebelah kanan menuju magnet berkutub Selatan di sebelah kiri. Oleh karena itu, Gaya Lorentz yang timbul akan mengarah ke atas dan membengkokkan kawat ke arah atas pula.</p>
<p style="text-align: justify;">Gampang, kan! Masih ada cara lebih mudah supaya kamu bisa memahami konsep dari Gaya Lorentz ini, lho! Caranya yaitu dengan mempraktikkan sendiri menggunakan tanganmu sesuai dengan kaidah tangan kanan.</p>
<p style="text-align: justify;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Kaidah%20Tangan%20Kanan%20pada%20Gaya%20Lorentz.jpg" alt="Kaidah Tangan Kanan pada Gaya Lorentz" width="600" loading="lazy" style="width: 600px; margin-left: auto; margin-right: auto; display: block;"></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;">Sekarang kita kembali lagi ke percobaan tadi, yuk! Kita gunakan kaidah tangan kanan untuk mengetahui arah Gaya Lorentz yang timbul.</p>
<p style="text-align: center;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Mengetahui%20Arah%20Gaya%20Lorentz.gif" alt="Mengetahui Arah Gaya Lorentz" width="600" loading="lazy" style="width: 600px; margin-left: auto; margin-right: auto; display: block;"></p>
<p style="text-align: center;"><em>Mengetahui Arah Gaya Lorentz (Sumber: Catatan Si Rebiaz via YouTube)</em></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;">Nah, sudah paham kan, kenapa kawat pada percobaan ini membengkok ke atas? Kalau kamu pengen kawatnya bengkok ke bawah, tinggal diubah aja arah arus listriknya supaya arah Gaya Lorentz-nya juga ikut berubah.</p>
<p style="text-align: justify;"><em>“Waduh, diubah ke mana, ya?”</em></p>
<p style="text-align: justify;">Ke mana, hayoo? Coba gunakan kaidah tangan kanan, deh! Pasti kamu akan tahu jawabannya dalam sekejap. Tulis jawaban kamu di kolom komentar, ya! </p>
<p style="text-align: justify;"> </p>
<h2 style="text-align: justify; font-size: 20px;"><span style="color: #000000;"><strong>Rumus Gaya Lorentz</strong></span></h2>
<p style="text-align: justify;">Namanya juga belajar Fisika, sudah pasti nggak akan jauh-jauh dari yang namanya rumus. Nah, si Gaya Lorentz ini juga punya rumus sendiri, teman.</p>
<p style="text-align: justify;">Rumus Gaya Lorentz digunakan untuk menghitung besarnya Gaya Lorentz yang timbul dalam suatu medan magnet. Rumusnya dapat kamu lihat pada infografik berikut.</p>
<p style="text-align: justify;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Gaya%20Lorentz.jpg" alt="Rumus Gaya Lorentz" width="600" loading="lazy" style="width: 600px; margin-left: auto; margin-right: auto; display: block;"></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;">Kamu pasti langsung geleng-geleng kepala, kan, abis ngeliat rumus ini? Terus, dalam hati kamu bergumam,</p>
<p style="text-align: justify;"><em>“Ndak bisa rumus Gaya Lorentz…”</em></p>
<p style="text-align: justify;">Cup cup cup.. Jangan sedih, ya. Kita coba pahami pelan-pelan dengan mengerjakan contoh soal berikut, yuk!</p>
<p style="text-align: justify;"> </p>
<h2 style="text-align: justify; font-size: 20px;">Contoh Soal</h2>
<p>1. Untuk contoh soal yang pertama, kamu bisa lihat <span style="font-weight: bold;">pertanyaannya pada gambar</span> berikut ini. Kalau mau lihat jawaban atau <span style="font-weight: bold;">penyelesaiannya</span>, tinggal <span style="font-weight: bold;">di-<em>flip</em></span> aja gambarnya, ya!</p>
<p><script>(function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(d.getElementById(id))return;js=d.createElement(s);js.id=id;js.src='https://embed.ex.co/sdk.js';fjs.parentNode.insertBefore(js,fjs);}(document,'script','exco-sdk'));</script></p>
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<p style="text-align: justify;">Lanjuut, kita coba contoh soal yang kedua, yuk!</p>
<p style="text-align: justify;">2. Sebuah besi berarus listrik 8 A masuk ke dalam medan magnet yang besarnya 2 T. Medan magnet tersebut, arahnya tegak lurus terhadap arus listrik. Jika gaya Lorentz yang bekerja pada kawat adalah 4 N, maka panjang besi tersebut adalah…</p>
<p style="text-align: justify; font-weight: bold;">Penyelesaian:</p>
<p style="text-align: justify;">Diketahui:</p>
<p style="text-align: justify;">I = 8 A</p>
<p style="text-align: justify;">B = 2 T</p>
<p style="text-align: justify;">F = 4 N</p>
<p style="text-align: justify;">θ = 90° (karena tegak lurus)</p>
<p style="text-align: justify;">Ditanya:</p>
<p style="text-align: justify;">L = …?</p>
<p style="text-align: justify;">Jawaban:</p>
<p style="text-align: justify;">F = B . I . L . sin θ</p>
<p style="text-align: justify;">L = F / (B . I . sin θ)</p>
<p style="text-align: justify;">L = 4 / (2 . 8 . sin 90°)</p>
<p style="text-align: justify;">L = 4 / (2 . 8 . 1)</p>
<p style="text-align: justify;">L = 4 / 16</p>
<p style="text-align: justify;">L = 0,25 m = 25 cm</p>
<p style="text-align: justify; font-weight: bold;">Jadi, panjang besi tersebut adalah 0,25 meter atau 25 centimeter.</p>
<p style="text-align: justify;">Lanjuut, ke soal terakhir~</p>
<p style="text-align: justify;">3. Sebuah kawat berarus listrik sepanjang 100 cm berada dalam medan magnet yang membentuk sudut 30° dengan arah medan magnet. Besar medan magnet adalah 100 T dan besar gaya Lorentz adalah 150 N. Berapakah besar arus listrik yang mengaliri kawat?</p>
<p style="text-align: justify; font-weight: bold;">Penyelesaian:</p>
<p style="text-align: justify;">Diketahui:</p>
<p style="text-align: justify;">L = 100 cm = 1 m</p>
<p style="text-align: justify;">θ = 30°</p>
<p style="text-align: justify;">B = 100 T</p>
<p style="text-align: justify;">F = 150 N</p>
<p style="text-align: justify;">Ditanya:</p>
<p style="text-align: justify;">I = …?</p>
<p style="text-align: justify;">Jawaban:</p>
<p style="text-align: justify;">F = B . I . L . sin θ</p>
<p style="text-align: justify;">I = F / (B . L . sin θ)</p>
<p style="text-align: justify;">I = 150 / (100 . 1 . sin 30°)</p>
<p style="text-align: justify;">I = 150 / (100 . 1 . 1/2)</p>
<p style="text-align: justify;">I = 150 / 50</p>
<p style="text-align: justify;">I = 3 A</p>
<p style="text-align: justify; font-weight: bold;">Jadi, besar arus listrik yang mengaliri kawat tersebut adalah 3 Ampere.</p>
<p style="text-align: justify;">Gimana? Sudah paham?</p>
<p style="text-align: justify;"><em>“Pahaaammm, cikguuu!”</em></p>
<p style="text-align: justify;">Kalau begitu, selamat! Kamu sudah berhasil menambah satu ilmu baru, yaitu ilmu tentang Gaya Lorentz. Semoga bermanfaat, ya. Kalau ada yang ingin ditanyakan, kamu bisa tanya ke tutor favorit kamu di <a href="https://roboguru.ruangguru.com/" rel="noopener" target="_blank"><strong>Roboguru Plus</strong></a>. Tinggal klik <em>banner</em>-nya aja ya, <span style="font-style: italic;">guys</span>!</p>
<p style="text-align: justify;"><a href="https://www.ruangguru.com/roboguruplus" target="_blank" style="text-align: center;" class="rg-cta" rel="noopener"><img fetchpriority="high" decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/cta/a0a38c01-0a03-4469-8a8f-60dc108e3138.png" width="820" height="200" alt="IDN CTA Blog roboguru plus Ruangguru" /></a></p>
<p style="text-align: left;"><strong>Referensi:</strong></p>
<p style="text-align: left;">Zubaidah, S. dkk. (2015). <em>Ilmu Pengetahuan Alam untuk SMP/MTs Kelas IX Semester 2</em>. Jakarta: Pusat Kurikulum dan Perbukuan, Balitbang, Kemdikbud.</p>
<p style="text-align: left;">‘Hendrik Antoon Lorentz’, <em>Wikipedia</em>, [Daring]. Tautan: https://id.wikipedia.org/wiki/Hendrik_Antoon_Lorentz (Diakses: 20 April 2021)</p>
<p style="text-align: left;">‘Lorentz force’, <em>Wikipedia</em>, [Daring]. Tautan: https://en.wikipedia.org/wiki/Lorentz_force (Diakses: 20 April 2021)</p>
<p style="text-align: left;"><strong>Sumber Gambar:</strong></p>
<p style="text-align: left;">GIF ‘Jorge Lorenzo’ [Daring]. Tautan: https://media.giphy.com/media/fnSR0EFiTw3uVhWpbE/giphy.gif (Diakses: 20 April 2021)</p>
<p style="text-align: left;">GIF ‘Mengetahui Arah Gaya Lorentz’ [Daring]. Tautan: https://www.youtube.com/watch?v=6RaU3QAGs-4&t=92s (Diakses: 20 April 2021)</p>
<p style="text-align: left;">GIF ‘Percobaan Gaya Lorentz’ [Daring]. Tautan: https://www.youtube.com/watch?v=6RaU3QAGs-4&t=92s (Diakses: 20 April 2021)</p>
<p style="text-align: left; font-weight: bold;"><em>Artikel ini telah diperbarui pada 1 September 2022.</em></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>