A man of mass 71 kg drops to a concrete patio from a window 1.2 m above the patio. He neglects to bend his knees on landing, taking 2.8 cm to stop. (a) What is his average acceleration from when his feet first touch the patio to when he stops? (b) What is the magnitude of the average stopping force exerted on him by the patio? (a) Number i (b) Number i Units Units

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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: