The uniform bar AB is supported by a rope that passes over a frictionless pulley at C

Question:

The uniform bar AB is supported by a rope that passes over a frictionless pulley at C and a fixed peg at D. If the coefficient of static friction between the rope and the peg is μD, determine the smallest distance x from the end of the bar at which a force F may be placed and not cause the bar to move.


Given:

F = 20 N a = 1 m

μD = 0.3



D. в


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