AP Physics 1 Question 141: Answer and Explanation

Test Information

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Question: 141

1. Which of the following force diagrams could represent the forces acting on a block that slides to the right while slowing down?

  • A.
  • B.
  • C.
  • D.

Correct Answer: A

Explanation:

A-There's no such thing as the "force of motion," so motion does not belong on a force diagram. The block slows down, so the block has acceleration in the opposite direction of motion, or left. That means there must be a leftward force.