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Problem: Consider the truss structure below. All connections are pin connections. Determine the stiffness matrix K for the structure. Take A = 0.75 in

Problem: Consider the truss structure below. All connections are pin connections. Determine the stiffness matrix K for the structure. Take A = 0.75 in and E = 29,000 ksi for each member. 4 1 3 im 3 m 4 in 80 kips 3 5 mm Determine the horizontal and vertical displacements at node 1 of the structure shown. Determine the force in each member of the structure shown.

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