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A solid circular bar of diameter d 1.5 in. is subjected to an axial force P and a torque T (see figure). Strain gages A and B mounted on the surface of the bar give readings ε_a = 100*10^-6 and ε_b = 55*10^-6. The bar is made of steel having E= 30*10⁶psi and v= 0.29.

(a) Determine the axial force P and the torque T.

(b) Determine the maximum shear strain gmax and the maximum shear stress tmax in the bar

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