AP Physics 1 Question 211: Answer and Explanation
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1. A force F of strength 20 N acts on an object of mass 3 kg as it moves a distance of 4 m. If F is perpendicular to the 4 m displacement, the work it does is equal to
- A. 0 J
- B. 60 J
- C. 80 J
- D. 600 J
Correct Answer: A
Since the force F is perpendicular to the displacement, the work it does is zero.