Homework Help: Physics

Posted by Teresa on Sunday, August 26, 2012 at 9:28pm.

Forcefriction=(Psin37+15*9.8)*.70

So Pcos37 must equal to the force, solve for P.

how to get the magnitude of P??how to solve for P.

thanks a lot~~

Physics - Elena, Monday, August 27, 2012 at 2:37am
P=[(F/0.7) - 15•9.8]/sin37

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