Four gears are attached to a circular shaft and transmit the torques shown in the figure. The allowable shear stress in the shaft is 10,000 psi.
(a) What is the required diameter d of the shaft if it has a solid cross section?
(b) What is the required outside diameter d if the shaft is hollow with an inside diameter of 1.0 in.?

Transcribed Image Text:

8,000 lb-in. 19,000 lb-in 4,000 lb-in. 7,000 lb-in. 0