AP Physics 1 Question 270: Answer and Explanation

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Question: 270

6. An object of charge +q feels an electric force FE when placed at a particular location in an electric field, E. Therefore, if an object of charge -2q were placed at the same location where the first charge was, it would feel an electric force of

  • A.
  • B. -2FE
  • C. -2qFE
  • D.

Correct Answer: B

Explanation:

B

Since FE (on q) = qE, it must be true that FE (on -2q) = -2qE = -2FE.