A250-lb block is subjected to a horizontal force p. the coefficient of friction between the block and surface is µs = 0.2. determine the force p required to start moving the block up the incline

force required to push the block = 219.714 lb

Explanation:

GIVEN DATA:

weight W of block = 250 lb

coefficient of friction = 0.2

consider equilibrium condition in x direction

.........................(1)

consider equilibrium condition in Y direction

.....................(2)

SOLVING 1 and 2 equation we get N value

N = 326.36 lb

putting N value in either equation we get force required to push the block = 219.714 lb

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explanation: