Question: For the plane truss structure shown in Figure P3-20, determine the displacement of node 2 using the stiffness method. Also determine the stress in element

For the plane truss structure shown in Figure P3-20, determine the displacement of node 2 using the stiffness method. Also determine the stress in element 1. Let A = 10 in2, E = 1 Ã— 106 psi, and L = 100 in.

Figure P3-20

10 kip 2. 45 45

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