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26_Problem CHAPTER 10 - PROBLEM 10.24 Determine the value...

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PROBLEM 10.24 Determine the value of θ corresponding to the equilibrium position of the mechanism of Problem 10.11 when 20 lb P = and 25 lb. Q = SOLUTION 2 sin A x l θ = 2 cos A x l δ θ δθ = 2 sin 2 CD l θ = ( ) cos 2 CD l θ δ δθ = Virtual Work: ( ) 0: 0 A U P x Q CD δ δ δ = = ( ) 2 cos cos 0 2 P l Q l θ θ δθ δθ
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