The amount of force needed to sustain motion of a rock in outer space is

Question

Trey Clarke

Physics

9 May, 14:27

The amount of force needed to sustain motion of a rock in outer space is

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Half Pint · Answer 1

0 N

Explanation:

According to Newton's first law, object subjected to no force or 0 net force will stay in the same motion. In outer space, there's no gravity or air resistance. So if the net force is 0, a rock in motion would be still in motion forever without a need of an extra force to sustain it.