Part A A glass marble is rubbed against a piece of silk. As a result the piece o

Question

Part A

A glass marble is rubbed against a piece of silk. As a result the piece of fabric acquires extra electrons. What happens to the glass marble?

Check all that apply.

a.) The marble has lost the same number of electrons acquired by the piece of silk. b.) The marble has acquired the same number of electrons acquired by the piece of silk. c.) The marble acquires a positive charge and repels the piece of silk. d.) The marble acquires a positive charge and attracts the piece of silk. e.) The marble acquires a negative charge and attracts the piece of silk. f.) The marble acquires a negative charge and repels the piece of silk.

Explanation / Answer

Choice A - Due to conservation of charge

Choice D - Unlike charges attract

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