May 31, 2016

Homework Help: Physics

Posted by Anonymous on Tuesday, October 13, 2009 at 6:35pm.

The 60 kg climber in Fig. 4-52 is supported in the "chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.82 and 0.58, respectively. What is the minimum normal force he must exert? Assume the walls are vertical and that friction forces are both at a maximum.

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