Question

Newton's first law of motion states that an object at rest will remain at rest or an object in motion will remain in a constant motion, unless acted on by an outside force. Another name for this law is the

A.
law of acceleration.

B.
law of gravity.

C.
law of inertia.

D.
law of momentum.

Answer 1

C. law of inertia.

Explanation: Newton's first law describes the tendency of objects to maintain their state of motion (rest or uniform motion) unless acted on by an external force, which is the definition of inertia.