Question

which phrase describes what an object moving at a constant velocity will do?
increase in speed
come to a stop on its own
come to a stop, unless it is pushed by another force
maintain a constant velocity until acted on by another force

Explanation:

According to Newton's first law of motion, an object in motion will stay in motion with a constant velocity unless acted upon by an external force.

Answer:

maintain a constant velocity until acted on by another force