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Unformatted text preview: θ corresponding to the equilibrium position in terms of P , k , and ‘ . Problem 1 continued. Problem 2. (20 pts) A sheet of plywood of weight W has been temporarily propped against column C , resting against the bases of columns A and B as shown. Neglecting friction at all the points of contact, determine the reactions at A , B , and C . Problem 2 continued. Problem 3. (20 pts) The Pratt bridge truss supports ﬁve forces F . Determine the axial forces in members JK and DK . A B C D E G I J K L M H L L L L L L F F F F F L Problem 3 continued. Problem 4. (20pts) This device raises a load W by extending the hydraulic actuator DE . The bars AD and BC are of length ‘ . In terms of W , b , ‘ , and h , what force must the actuator exert to hold the load in equilibrium? A C B D E b h W Problem 4 continued. Problem 5. (20pts) The cantilever beam is subjected to a triangular distributed load. What are the reactions at A ? y 10 m x 200 N/m A Problem 5 continued....
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 Spring '08
 ORIENT
 Statics, Force, Actuator, Aerospace Engineering Department, W. S. Klug

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