Question

what does newtons first law of motion state? a for every action, there is an equal and opposite reaction. b an object in motion will stay in motion unless acted upon by an external force. c force equals mass x acceleration.

Explanation:

Newton's first law of motion, also known as the law of inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Option B correctly describes this law. Option A describes Newton's third - law, and option C describes Newton's second law.

Answer:

B. An object in motion will stay in motion unless acted upon by an external force.