Question

Which of the following best describes Newton's First Law of Motion? (more than one answer applies)

F=m • a

A swimmer turns and kicks off from the end of the pool.

A book will slide across the desk if you exert a force on it.

An object in motion will remain in motion in the same direction and at a constant speed unless another force acts on it.

Law of inertia

Shows the relationship between mass, force and acceleration.

For every action there is an equal and opposite reaction.

When a hammer strikes a nail, the nail exerts a force back on the hammer.

Answer 1

The first one is the best

And the second one is acceptable