All except one of the following require the application of a net force. Which one is the exception?
A) Changing an object from a state of rest to a state of motion
B) Changing an object's speed without changing its direction of motion
C) Maintaining an object in motion at a constant velocity
D) Maintaining an object in uniform circular motion
E) Changing an object's direction of motion without changing its speed

Question

Quizplus · Accepted Answer

According to Newton's first law of motion, an object in motion will stay in motion at a constant velocity, and an object at rest will stay at rest unless acted upon by a net external force. Therefore, maintaining an object in motion at a constant velocity does not require the application of a net force.

All Except One of the Following Require the Application of a Net