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Newton's laws of motion are three physical laws that describe the relationship between the motion of an object and the forces acting on it. These laws, which provide the basis for Newtonian mechanics, can be paraphrased as follows:
# A body remains at rest, or in motion at a constant speed in a straight line, unless it is acted upon by a force.
# At any instant of time, the net force on a body is equal to the body's acceleration

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