General questions: An object is moving to the right, and experiencing a net force that is directed to the right. The magnitude of the force is decreasing with time. The speed of the object is
A) increasing.
B) decreasing.
C) constant in time.

Question

Quizplus · Accepted Answer

Since the net force is directed to the right and the magnitude of the force is decreasing with time, the object is experiencing a decreasing acceleration to the right. Since the object is accelerating, its speed must be increasing.

General Questions: an Object Is Moving to the Right, and Experiencing