An iron box weighing 60 kg is on an inclined plane at an angle of 30 from the horizontal. a.) If the coefficient of static friction between the iron box and the inclined plane is 0.35, how much force is required to pull the iron box uphill? b.) What is the resultant force on the box while it’s being pulled uphill if the coefficient of kinetic friction is 0.30?

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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: