the electric motor exerts a torque of 800 n m on the steel shaft abcd
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The electric motor exerts a torque of 800 N-m on the steel shaft ABCD when it is rotating at a constant speed. Design specifications require that the diameter of the
shaft be uniform from A to D and that the angle of twist between A and D not exceed 1.5°. Knowing that t max S 60 MPa and G=77.2 GPa,determine the minimum diameter shaft that can be used.