Question

If external force on a body is zero it's acceleration is_____​

Answer 1

Answer:

constant or 0 is the answer.

Answer 2

Answer:

Every body continues to be in its state of rest or of uniform motion in a straight line unless compelled by an unbalanced external force.” It is simply expressed as if the net external force on a body is zero, its acceleration is zero. Acceleration can be non-zero only if there is a net external force on the body.