A boy has stacked two blocks on the floor so  that a 5.00kgblock is on top of  a1.60kg block. If the coefficient of static friction between the two blocks is 0.400 and the coefficient of static friction between the bottom block and the floor is 0.220,with what minimum force should the boy push horizontallyon the upper block to make both blocks start to slide together along the floor?

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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: