For the plane trusses with inclined supports shown in Figures P3-49 through P3-51, solve for the nodal

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For the plane trusses with inclined supports shown in Figures P3-49 through P3-51, solve for the nodal displacements and element stresses in the bars. Let A = 2 in2, E = 30 × 106 psi, and L = 30 in. for each truss.

Figure P3-49,

2000 lb 45°

Figure P3-50

2 2000 lb

Figure P3-51

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