Multi-Charge Force Visualization
Interactive Coulomb's Law Simulation
Superposition Principle
The net force on any charge equals the vector sum of forces exerted by all other charges. This demonstrates Coulomb's Law: F = k·q₁q₂/r² where k ≈ 9×10⁹ N·m²/C².
Click and drag charges to move them. Click to fix/unfix position.
