A 60 in long shaft shown in the figure be low is to carry the load as shown. The

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A 60 in long shaft shown in the figure be low is to carry the load as shown. The shaft has to carry two 1000 lb loads as shown. The shaft has a groove in the mid-span as shown. A power of 100 hp is to be transmitted at 1200 RPM.AISI1020 steelwith an ultimate tensile stress of 57, 000 psi and yield strength of 43,000 psi is found to be material of choice. A notch sensitivity factor of 0.7 and a static stress concentration factor of 1.8 are found to be reasonable. Determine the torque on the shaft.

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