The coefficient of friction between the floor

Reference no: EM131110643

Solve the given problems.

A force P (in lb) at an angle θ above the horizontal drags a 50-lb box across a level floor. The coefficient of friction between the floor and the box is constant and equals 0.20. The magnitude of the force P is given by

Find θ such that P is a minimum.

Reference no: EM131110643

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