For the spring assemblages shown in Figures P2-8 through P2-16, determine the nodal displacements, the forces in each element, and the reactions. Use the direct stiffness method for all problems.

Figure P2-8

Figure P2-9

Figure P2-10

Figure P2-11

Figure P2-12

Figure P2-13

Figure P2-14

Figure P2-15

Figure P2-16

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k=1000 lb/in. k= 1000 lb/in. 500 lb k = 5000 ib/in. k= 5000 Ib/in. k= 5000 lb/in. 1000 lb 4000 lb 2 3. 4