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 of 50 kg and negligible thickness. Determine the two coefficients of static friction at B and at C so that when the magnitude of the applied force is increased to P=150N, the post slips at both B and C simultaneously. Take F = 940 N/m. Determine the coefficient of static friction at B.

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Express your answer using three significant figures.

Part B

Determine the coefficient of static friction at C.

Express your answer using three significant figures.

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