Question

how charges are produced by friction?​

Answer 1

Answer:

When insulating materials rub against each other, they may become electrically charged . Electrons , which are negatively charged, may be 'rubbed off' one material and on to the other.

Explanation:

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Answer 2

When insulating materials rub against each other, they may become electrically charged . Electrons which are , nagetively charged may be 'rubbed off ' one material and on to the other