After this lesson, you should be able to:

- State Coulomb’s law and express it mathematically
- Use Coulomb’s law to find the force exerted on a charge by one or more charges in one (1D) and two dimensions (2D)
- Understand the concept of superposition of forces
- Draw free-body diagrams showing the forces acting on a charge due to other charges
- Link Coulomb’s law to Newton’s third law of motion
- Compare Coulomb’s law to Newton’s law of universal gravitation

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18 lessons in Physics