# HW9 - pulley at D The tension may be assumed to be the same...

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HW9 Terry Cooke: Cal Poly San Luis Obispo

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Chapter 4, Problem 55 A collar B of weight W can move freely along the vertical rod shown. The constant of the spring is k , and the spring is unstretched when 0. ( a ) Derive an equation in , W , k , and l that must be satisfied when the collar is in equilibrium. ( b ) Knowing that 300 N, W l 500 mm, and 800 N/m, k determine the value of corresponding to equilibrium.
Chapter 4, Problem 68 Determine the reactions at B and C when 1.5 in. a

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Chapter 4, Problem 75 Member ABC is supported by a pin and bracket at B and by an inextensible cord attached at A and C and passing over a frictionless
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Unformatted text preview: pulley at D . The tension may be assumed to be the same in portions AD and CD of the cord. For the loading shown and neglecting the size of the pulley, determine the tension in the cord and the reaction at B . Chapter 4, Problem 85 An 8-kg slender rod of length L is attached to collars that can slide freely along the guides shown. Knowing that the rod is in equilibrium and that 30 , determine ( a ) the angle that the rod forms with the vertical, ( b ) the reactions at A and B ....
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HW9 - pulley at D The tension may be assumed to be the same...

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