Question: For the space trusses shown in Figures P3-40 and P3-41, determine the nodal displacements and the stresses in each element. Let E = 210 GPa

For the space trusses shown in Figures P3-40 and P3-41, determine the nodal displacements and the stresses in each element. Let E = 210 GPa and A = 10 Ã— 10-4 m2 for all elements. Verify force equilibrium at node 1. The coordinates of each node, in meters, are shown in the figure. All supports are ball-and-socket joints.

Figure P3-40,

(0, 4 0) (4, 4, 3) (0, 4, 6) (8, -1, 1) 10 kN (4, 0, 3)

Figure P3-41,

(0, 4 0) (4, 4, 3) (0, 4, 6) (8, -1, 1) 10 kN (4, 0, 3) (0, 0, 0) (14, 6, 0) (12, - 3, -4) O 40 kN (in the x direction) (2) (12. - 3, - 7)

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