Solved: The solid shaft is subjected to the distributed

Chapter 5, Problem 5-25

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QUESTION:

The solid shaft is subjected to the distributed and concentrated torsional loadings shown. Determine the required diameter d of the shaft if the allowable shear stress for the material is \(\tau_{\text {allow }}=60 \mathrm{MPa}\)

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QUESTION:

The solid shaft is subjected to the distributed and concentrated torsional loadings shown. Determine the required diameter d of the shaft if the allowable shear stress for the material is \(\tau_{\text {allow }}=60 \mathrm{MPa}\)

ANSWER:

Step 1 of 3

Maximum Torque occurs when  and  so that's the point most likely to surpass the allowed shear stress. We find the polar moment of inertia as a function of the radius  :

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