PROBLEM 3.23 Under normal operating conditions, a motor exerts a torque of magnitude TF at F. The shafts are made of a steel for which the allowable shearing stress is 12 ksi and have diameters dCDE ? 0.900 in. and dFGH ? 0.800 in. Knowing that rD ? 6.5 in. and rG ? 4.5 in., determine the largest allowable value of TF.
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