Question: 7 - 2 0 . Determine the force ( P ) necessary to cause impending motion of the 4 0 - lb block

7-20. Determine the force \( P \) necessary to cause impending motion of the 40-lb block up the slope in Figure P7-20. The coefficient of static friction of all surfaces is 0.1.
7 - 2 0 . Determine the force \ ( P \ ) necessary

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