If a single force acts on a moving object
A) the momentum of the object will change only if the force is in the same direction as the velocity of the object.
B) the momentum of the object must change.
C) the momentum of the object can only change magnitude, not direction.
D) the momentum of the object can only change direction, not magnitude.

Question

Quizplus · Accepted Answer

According to the impulse-momentum theorem, a force acting on an object will cause a change in momentum of the object. Therefore, the momentum of the object must change when a force is applied to it, regardless of the direction of the force with respect to the object's velocity.

If a Single Force Acts on a Moving Object