Electromagnetic force

The electric (electrostatic) force is but one aspect of charged particles. Moving charged particles experience and exert another force—a magnetic force—in addition to the electric force. Therefore, accounting for the magnetic force will change the way that charged particles move. In this section, you'll see how to compute the magnetic force and how combining it with the electric force affects the motion of charged particles.

Magnetic fields and forces

We've all experienced the fascination of magnets as kids. Part of their appeal is that you can actually feel the force acting between two magnets without them actually touching. Because of this action-at-a-distance characteristic, magnetism fits neatly into the force field ...

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