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05-09-2020
Physics

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A 2-kg object is moving horizontally across a frictionless surface with a speed of 4 m/s. How much force is required to keep the object moving at this speed and in this direction?

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05-09-2020

Answer:

none

Explanation:

Newton's first law says an object in motion will stay in motion at the same speed and direction unless acted upon by some force.

No force is necessary for the object to keep its speed and direction on a frictionless surface.

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