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Chapter 8: Electrostatics
1. Why This Matters
Have you ever walked across a carpet, touched a metal doorknob, and felt a small shock? Or rubbed a balloon on your hair and watched it stick to a wall? Or seen tiny sparks when you pull off a woollen jumper in the dark? Every one of these is a story about static electricity.
Static electricity is the study of electric charges that build up on objects and stay there — at least for a while. It is called "static" because the charges are not moving
