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InstrumentsPith Balls Massless
Pith Balls Massless
Details:
- An instrument that is used for performing physical experiments.
- A pith ball hangs vertically by a thread. A plastic rod is charged by rubbing with cloth.
- The charged rod is brought close to the pith ball without touching it.
- It is observed that the charged rod weakly attracts the pith ball for the pith ball carries no charge.
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