Question: For a two-dimensional truss structure as shown in the figure, determine displacements of the nodes and normal stresses developed in the members using the direct

For a two-dimensional truss structure as shown in the figure, determine displacements of the nodes and normal stresses developed in the members using the direct stiffness method. Use \(E=30 \times 10^{6} \mathrm{~N} / \mathrm{cm}^{2}\), and the diameter of the circular crosssection is \(0.25 \mathrm{~cm}\).

2 60 N Pin joint 9 cm Roller 3 support 12 cm

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