The tendency of a moving object to remain in unchanging motion in the absence of an unbalanced force is called
A)inertia.
B)free fall.
C)acceleration.
D)impulse.

Question

Quizplus · Accepted Answer

This is the definition of inertia, which is one of Newton's laws of motion. Inertia is the resistance of an object to changes in its motion, whether it is at rest or in motion. An object will continue moving in a straight line with a constant speed if there is no unbalanced force acting upon it.

The Tendency of a Moving Object to Remain in Unchanging