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Determine the reaction forces at pin B, pin C, and pin D. Draw the free body diagrams for bar 2. AC and bar CE. Make sure all
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Solution : - free body diagram of the structure : 2 SON 2 m Consider the equilibrium of moments about point E. EME=0 (250) 6)consider the equilibrium of moments about point D. EMOSO (250)(4.5) - (By) (3) = 0 By = 1125 By = 345NT consider the equilibrconsider the equilibrium of faces along - direction EF x = 0 BxDx-o Bee = Dve (1) - Free body diagram of the member ABC > confrom equation (1) Bu = Da 93.75 N =Da Da= 93.75 nel Consider the equilibrium of fancy along a direction:- Else = 0 e-Bx=0 x =

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