Rigid bar ABC is supported by member (1), which has a cross-sectional area of 0.9 in.2, an elastic modulus of E= 9800 ksi, and a coefficient of thermal expansion of a = 12.6 × 10-6/°F. Assume that a = 80 in., b = 35 in., and c = 110 in. After load P is applied to the rigid bar and the temperature rises 75°F, a strain gage affixed to member (1) measures a strain of 3134 μe. Determine: a) The magnitude of applied load P. [P = 27.75 kips] b) The vertical deflection of point B. [VB = 2398 in] Note: Assume the strain measuring system does not automatically compensate for temperature Changes. ******** a B b DO Strain gage (1)

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