The beam AB has a negligible mass and thickness and is subjected to a triangular distributed loading. It is supported at one end by a pin and at the other end by a post having a mass mp and negligible thickness. Determine the minimum force P needed to move the post. The coefficients of static friction at B and C are μB and μC respectively.

Given:

mp = 50 kg a = 2 m

μ B = 0.4 b = 400 mm

μC = 0.2 c = 300 mm

w = 800N/m d = 3

g = 9.81m/s2e = 4

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