SAT Subject Physics Practice Question 24: Answer and Explanation

Next steps

Question: 24

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
E. 2,400 J

Correct Answer: A

Explanation:

Since the force F is perpendicular to the displacement, the work it does is zero.

Previous       Next