Two equal mass, electrically neutral conducting balls hang from threads. Choose

Question

Two equal mass, electrically neutral conducting balls hang from threads. Choose the letter from the diagram and write your choice in the underlined section of the question. Note that Questions 2 - 5 are independent they are not actions taken in sequence. Choose the letter that shows how the balls hang after: 2. Both are touched by a negatively charged rod. 3. Ball 1 is touched by a negatively charged rod and Ball 2 is touched by a positively charged rod. 4. Both are touched by a negatively charged rod but Ball 2 picks up more charge that Ball 1. 5. Only Ball 1 is touched by a negatively charged rod.

Explanation / Answer

Opposite charges attract each other. Same charges repel each other.

2.B (repel each other)

3.C (attract each other)

4.D(repel each other but experience uneuqal forces)

5.E

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