A box weighing 150 lbs is moved across a horizontal floor by dragging it by means of rope attached to the front end. If the rope makes an angle of 30° with the floor and if the coefficient of kinetic friction between the box and the floor is 0.4, determine the force exerted by the man pulling the rope.

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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: