Question: Example 1 Sheridan Creative Calculate the minimum force, P , that will cause impending motion of a 5 0 kg block on a flat surface.

Example 1Sheridan Creative Calculate the minimum force, P, that will cause impending motion of a 50 kg block on a flat surface. The coefficient of friction is u =0.3(Assume g=10m/s3) If the surface has an inclination of 30 degrees, what will be the required force to move it upwards? How about downwards ?

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