Question

Objects moving keep moving until?

Answer 1

A force is acted up on it or against it.

Newton's First Law of Motion: Inertia

if an object is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

Step-by-step explanation:

Answer 2

An object at rest stays at rest and an object in motion stays in motion at a constant speed and direction unless acted upon by an unbalanced force. ... It stated that if an object is moving, some sort of force is required to keep it moving.