Question: Define reaction forces at nodes 1 and 2 . ( Hint: find the global stiffness matrix by superposition method, write down formulas for the global

Define reaction forces at nodes 1 and 2.(Hint: find the global stiffness matrix by
superposition method, write down formulas for the global nodal forces, and use
homogenous BC to find the reduced global stiffness matrix)(20%)

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