Coulomb's Law Visualization

F = k × (|q₁ × q₂|) / r²

Coulomb's Law states that the electrostatic force between two charged particles:

F = Force in Newtons (N)
k = Coulomb's constant (8.99 × 10⁹ N⋅m²/C²)
q₁, q₂ = Charges in Coulombs (C)
r = Distance in meters (m)

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Click and drag charges to move them. Watch how the electric field lines and forces change based on charge positions and magnitudes.