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Consider the spring assemblage shown, using the direct stiffness method do the following: 1. Write the global stiffness matrix 2. Determine the nodal displacements

Consider the spring assemblage shown, using the direct stiffness method do the following: 1. Write the global stiffness matrix 2. Determine the nodal displacements 3. Determine the nodal forces 4. Determine the reaction of supports Node 1 K1 = 20 kN/m K2 = 50 kN/m K3 = 20 kN/m F = 900 kN wwwwwwwww Node 2 Node 3 Node 4 X positive to the right

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