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Part A A small ball with zero net charge is positively charged on one side, and

ID: 1263696 • Letter: P

Question

Part A

A small ball with zero net charge is positively charged on one side, and equally negatively charged on the other side. The ball is placed near a positive point charge as shown.

Would the ball be attracted toward, repelled from, or unaffected by the positive point charge? Explain.

Is your answer consistent with Coulombs law? Explain

Part A A small ball with zero net charge is positively charged on one side, and equally negatively charged on the other side. The ball is placed near a positive point charge as shown. Would the ball be attracted toward, repelled from, or unaffected by the positive point charge? Explain. Is your answer consistent with Coulombs law? Explain

Explanation / Answer

The ball would be attracted.

The negative portion is closer than the positive portion.

The force formula is F = kqq/r2 where r is the distance bewteen the charges.

Since the positive side is farther away, the repulsive force is smaller than the attractive force from the negative side. Thus we have a net attractive force.

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