Q3) A short stepped bar is shown in Figure below. The stiffness of the large section is 12 kN/mm and the stiffness of the small section is 8 kN/mm. End 1 is fixed and an axial load of 6 kN acts at node 3. Determine the displacements at node 2 and node 3. 12 kN/mm 6 kN Figure (1)

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