A man is pushing a box across an inclined plane with an angle of inclination of 60 degrees away from the horizontal. The box has a mass of 20kg and is moving at a constant speed. The force applied by the person has a magnitude of 250N and the surface of the inclined plane is not frictionless.

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: