A 60.0-kg mass person wishes to push a 120-kg mass box across a level floor.  The coefficient of static friction between the person's shoes and the floor is 0.700.  What is the maximum coefficient of static friction between the box and the floor such that the person can push horizontally on the box and cause it to start moving?

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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: