Question

Newton's first law of motion says (in part) that an object in motion will remain in motion at a constant speed and in a straight line if no _____ forces are acting on it. A. applied B. balanced C. unbalanced D. gravitational

Answer 1

Your answer is C. Unbalanced

unbalanced forces change the direction and speed of objects, therefore it would change the constant speed of an object in motion.

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