A uniform crate of mass 30 kg must be moved up along the 158 incline without tipping. Knowing that the force P is horizontal, draw the free-body diagram needed to determine the largest allowable...

A uniform crate of mass 30 kg must be moved up along the 158 incline without tipping. Knowing that the force P is horizontal, draw the free-body diagram needed to determine the largest allowable coefficient of static friction between the crate and the incline, and the corresponding force P.