Question: a. For the spring assemblage shown in Figure P2-3, obtain the global stiffness matrix by direct superposition. b. If nodes 1 and 5 are fixed

a. For the spring assemblage shown in Figure P2-3, obtain the global stiffness matrix by direct superposition.

b. If nodes 1 and 5 are fixed and a force P is applied at node 3, determine the nodal displacements.

c. Determine the reactions at the fixed nodes 1 and 5.

Figure P2-3

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