Referring to Prob. 10.46 and using the value found for the force exerted by the hydraulic cylinder BD, determine the change in the length of BD required to raise the platform attached at C 2.5 in. Problem 10.46: The telescoping arm ABC is used to provide an elevated platform for construction workers. The workers and the platform together weigh 500 lb, and their combined center of gravity is located directly above C. For the position when θ = 20°, determine the force exerted on pin B by the single hydraulic cylinder BD.

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15 ft 27 ft 1.5 ft