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Your answer is partially correct. Try again The figure shows a person whose weight is W 512 N doing push-ups. Find the normal

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Answer #1

(a) 172

(b) 84

take ΣM at feet = 0
0.84 x 512 = 1.25 Fhands
Fhands = 344.064 N
take ΣM at hands = 0
0.41 x 512 = 1.25 Ffeet
Ffeet = 167.936 N
Assuming the body is symmetry means each hand exerts the same magnitude of Force
F each hand = 344.064 / 2 = 172.032 N
as well the Ffoot
F each foot = 214.512 / 2 = 83.968 N

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