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30_Problem CHAPTER 10

# 30_Problem CHAPTER 10 - PROBLEM 10.28 Determine the value...

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PROBLEM 10.28 Determine the value of θ corresponding to the equilibrium position of the mechanism of Problem 10.13 when 900 mm, l = 150 mm a = 75 N, P = and 135 N. Q = SOLUTION For : AA C tan A C a θ = ( ) tan A y A C a θ = − = − 2 cos A a y δ δθ θ = − For : BB C sin B C l A C θ = sin tan l a θ θ = sin tan tan tan B C l a BB θ θ θ θ ′ = = cos B x BB l a θ = = sin B x l δ θ δθ = − Virtual Work: 0: 0 B A U P x Q y δ δ δ = = ( ) 2 sin 0 cos a
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