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 : AAC tan AC a = ( ) tan A yA C a =− 2 cos A a y δ δθ For : BB C sin BC l = sin tan la = sin tan tan tan l a BB θθ == cos B x BB l a = sin B xl θδθ Virtual Work: 0: 0 BA UP x Q y δδ = −= () 2 sin 0 cos a Pl Q  −− =   2 sin cos
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