Question: Mechanical Engineering 3. A single redundant truss structure shown as Figure 3. The truss undergoes a temperature change AT for all members. Each member has

Mechanical Engineering 3. A single redundant truss structure shown as Figure 3. The truss undergoes a temperature change AT for all members. Each member has the same coefficient of the thermal expansion a and axial rigidity AE. Assume the displacement of redundant member AC is zero. Please determine the horizontal displacement at joint C. (35%) DI C 6 ft B 8 ft Figure 3

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