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  3. 1 for the bar shown below use the direct stiffness...

Question: 1 for the bar shown below use the direct stiffness...

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1. For the bar shown below, use the direct stiffness method to determine a. the displacement of each node b. the reaction forces at nodes 1 and 5 c. the force in each element d. the stress in each element Given data for each element: L-48 in, A- 4.2 in, E-10 x 10° psi 4 95000 lbf 30000 lbf 60000 lbf 2. For the bar shown below, use the direct stiffness method to determine a. a) the displacement of each node b. b) the reaction forces at nodes 1 and 4 Given data: A 1200 mm2, Au 3700 mm2, A E-200 GPa for all elements 1800 mm2 120 kN 300 kN 3.5 m 4.5 m

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