Question

an object in motion will stay in motion unless acted upon by an unbalanced force, or an object at rest will stay at rest unless acted upon by an unbalanced force. newtons 2nd law of motion newtons 3rd law of motion newtons 1st law of motion

Explanation:

Newton's 1st Law of Motion (Law of Inertia) states that an object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalanced force. The given description matches this law.

Answer:

Newton's 1st Law of Motion