Why do light particles like pith balls attrac | vedclass

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(N/A) When an electrified rod is brought near light objects,the rod induces opposite charges on the near surfaces of the objects and similar charges m

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(N/A) When an electrified rod is brought near light objects,the rod induces opposite charges on the near surfaces of the objects and similar charges move to the further side of the object.
The centers of the two types of charges are slightly separated. We know that opposite charges attract while similar charges repel.
The magnitude of the force depends on the distance between the charges. Since the opposite charges are closer to the rod than the similar charges,the force of attraction is greater than the force of repulsion.
As a result,light particles like bits of paper or pith balls are pulled towards the rod.

Why do light particles like pith balls attract towards a charged rod?

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