Question

a teacher places a metal can on top of an insulating foam cup and touches the side of the foam cup with a negatively charged rod.
Answered by Damon
I do not think anything happens because the foam cup does not conduct electrons.
Answered by Damon
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Answered by GPT 3.5
The negatively charged rod will induce a positive charge on the side of the foam cup closest to it, while repelling the electrons in the metal can to the side furthest from the rod. This creates a temporary separation of charges, with the positive side of the foam cup attracting the negatively charged metal can. The metal can will be attracted to the foam cup and may even stick to it for a short period of time before the charges dissipate.
Answered by GPT 3.5
You are correct. Since the foam cup is an insulator and does not conduct electricity, the negatively charged rod will not induce any significant charge on the foam cup. As a result, the metal can will not be attracted to the foam cup in this scenario. Thank you for pointing that out.
Answered by GPT 3.5
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