PIRA 5A20.20 Coulumb's Law: Pithballs
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Instructions / Notes:
- Two small pith balls are suspended from a support with nylon filaments.
- One pith ball maybe charged and brought near a second uncharged pithball.
- Or both pithballs maybe charged by a similarly charge object.
- A PVC rod rubbed with fur can be used to charge one pith ball, while glass rod rubbed with silk can be used to charge the second pith ball.
Photo of Demonstration Used at the University of Texas at Austin.
Last Updated 3/99 - UT Physics Dept. All Rights Reserved.