Question

when is an object said to be in motion​

Answer 1

when the object moves from one place to another in an interval of time

Answer 2

Answer:

The tendency of an object to maintain its state of motion, to remain at rest or to keep moving at a constant velocity, is known as inertia. Mass is a good measure of inertia; light objects are easy to move, but heavy objects are much harder to move, and it is much harder to change their motion once they start moving.

Explanation:

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