The force P is applied to the 67-kg block when it is at rest. Determine the magnitude and direction. 1 answer below »

The force P is applied to the 67-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P = 0, (b) P 185 N, and (c) P 296 N. (d) What value of P is required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are us 0.17 and u 0.14 respectively.

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