The net force on a moving object suddenly becomes zero. The object then
A) stops abruptly.
B) stops during a short time interval.
C) changes direction.
D) continues at constant velocity.
E) slows down gradually.

Question

Quizplus · Accepted Answer

If the net force on an object suddenly becomes zero, then there are no forces acting on the object to cause it to accelerate or decelerate. Therefore, the object will continue to move at a constant velocity.

The Net Force on a Moving Object Suddenly Becomes Zero