Knowing that the coefficient of static friction between the block attached to rod ACE and the horizontal surface is 0.15, determine the magnitudes of the largest and smallest force Q for which equilibrium is maintained when θ = 30°, l = 200mm, and P = 40 N. Problem 10.50: Denoting by μs the coefficient of static friction between the block attached to rod ACE and the horizontal surface, derive expressions in terms of P, μs, and θ for the largest and smallest magnitudes of the force Q for which equilibrium is maintained.

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