A 2-in.-diameter straight round shaft is subjected to a bending of 2000 ft # lb.(a) What

Chapter 4, Problem 4.25

(choose chapter or problem)

A 2-in.-diameter straight round shaft is subjected to a bending of \(2000 \ \mathrm{ft} \cdot \mathrm{lb}\).

(a) What is the nominal bending stress at the surface?

(b) If a hollow shaft of inside diameter 0.5 times outside diameter is used, what outside diameter would be required to give the same outer surface stress?

(Note: If the hollow shaft is too thin, buckling will occur. See Section 5.15.)

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