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Unformatted text preview: directions. Can you find the reactions that the two ball and socket joints exert on the block?) x 6m y z 2m 3m 3m TAM 211/210 BL1 Fall, 2004 Name: Practice Exam 2 Section: To receive full credit you must show all your work 3. The bars are pinned to the other objects and the walls using frictionless pins. The rope, bars, and pulley are all massless. The weight of the block is a known W. The system is in equilibrium. Draw a free body diagram for the pulley alone, and each of the two bars alone (5 points each) and the pulley, the block, and the two bars assembled as shown below (without the wall and ceiling) (5 points). What is the reaction force at of the wall on bar 1 (10 points), and what is the force on bar 2 due to bar 1 where they are pinned? (20 points) W Bar 1 Bar 2 d d 2d 2d...
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- Fall '05
- Force, 2m, 6m, ball and socket joint, 2 bar