6. Intro to Forces (Dynamics)
Newton's First & Second Laws
Problem 4.27b
Textbook Question
Textbook Question(III) A person jumps from the roof of a house 2.8 m high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.70 m. If the mass of his torso (excluding legs) is 42 kg, find
(b) the average force exerted on his torso by his legs during deceleration.
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