45_Problem CHAPTER 10

45_Problem CHAPTER 10 - PROBLEM 10.42 The position of crank...

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PROBLEM 10.42 The position of crank BCD is controlled by the hydraulic cylinder AB . Determine the angle θ knowing that the hydraulic cylinder exerts a 420-N force on pin B when the crank is in the position shown. SOLUTION From Problem 10.41, we have () ( ) 3 cyl 499.5sin 57.6 10 13.3389 9.990cos F α Then, with cyl 420 N F = We have ( ) 3 499.5sin 420 57.6 10 13.3389 9.990cos or 2 3.64219sin
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