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0338jw
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Homework Statement
A man doing push-ups pauses in the position shown (in the figure I found on the net)
a= 40cm b= 95cm c= 30cm Tha mass of the person is 75kg. Determine the normal force exerted by the floor on each hand and each foot.
Homework Equations
[tex]\Sigma\tau[/tex]=0
[tex]\SigmaF=0[/tex]
The Attempt at a Solution
before I started I wanted to know if it would be okay to simply solve the problem supposing he were completely horizontal, but it might not be the case. Will i need to use trig, or can i just treat him like a beam with supports?