Coulomb's Law Calculator
Calculate the attractive or repulsive electrostatic force between two electric charges using Coulomb's law. Enter charge magnitudes in Coulombs and distance in meters to find force in Newtons. Essential for physics students studying electrostatics and electric fields.
Coulomb Law
F = k × |q₁ × q₂| / r²Keterangan:
- FCoulomb force (N)
- kCoulomb's constant (8.988×10⁹ Nm²/C²)
- q₁, q₂Electric charge (C)
- rDistance between charges (m)
How to Use
- 1
Input Muatan 1
Enter muatan pertama (C).
- 2
Input Muatan 2
Enter muatan kedua (C).
- 3
Input Jarak
Enter jarak antar muatan (m).
- 4
Calculate
Dapatkan gaya and jenisnya (tarik/tolak).
Contoh Perhitungan
Dua Muatan Sama
Soal:
q₁=2μC, q₂=3μC, r=0.5m. Cari F?
Penyelesaian:
- 1.F = 8.988e9 × |2e-6 × 3e-6| / 0.5²
- 2.F = 0.216 N
Hasil:F = 0.216 N (Tolak-menolak)
Karena muatan sebangun, terjadi gaya tolak-menolak sebesar 0.216 N.
Pertanyaan yang Sering Diajukan (FAQ)
Kenapa nilai mutlak?
Gaya tarik/tolak ditentukan oleh tanda, magnitudo selalu positif.
What is k?
Konstanta Coulomb = 1/(4πε₀) ≈ 8.988×10⁹ Nm²/C².