SAT Subject Physics Practice Question 640: Answer and Explanation
6. When it is known that a net force is operating on an object, it is known that the object is
A. moving with constant velocity.
B. losing mass.
C. at rest.
D. being accelerated.
E. gaining weight.
Correct Answer: D
The correct answer is (D). Any time a net or unbalanced force is applied to an object, the object is accelerated.