The assembly consists of a steel rod CB and an aluminum rod BA, each having a diameter of 12mm....

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Problem statement: The assembly consists of a steel rod CB and an aluminum rod BA, each having a diameter of 12mm. If the rod is subjected to the axial loadings at A and at the coupling B, determine the displacement of the coupling B and the end A. The unstretched length of each segment is shown in the figure. Neglect the size of the connections at B and C, and assume that they are rigid. Est = 200 GPa, Eal = 70 Gpa.

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