Acompound shaft drives several pulleys, as shown in the figure. Segments (1) and (2) of the compound shaft are hollow aluminum [G=4,000 ksi] tubes that have a polar moment of inertia of 2.337 in.4. Segments (3) and (4) are solid steel [G=12,000 ksi] shafts that have a polar moment of inertia of 0.497 in.4. The bearings shown allow the shaft to turn freely. Calculate the rotation angle (including the correct sign) of pulley Dwith respect to pulley & 175 lb-ft (4) 525 lb-ft D 20 in. 40 in 925 lb-ft 30 in. (1) 70 in.

Acompound shaft drives several pulleys, as shown in the figure. Segments (1) and (2) of the compound shaft are hollow aluminum [G=4,000 ksi] tubes that have a polar moment of inertia of 2.337 in.4. Segments (3) and (4) are solid steel [G=12,000 ksi] shafts that have a polar moment of inertia of 0.497 in.4. The bearings shown allow the shaft to turn freely. Calculate the rotation angle (including the correct sign) of pulley Dwith respect to pulley & 175 lb-ft (4) 525 lb-ft D 20 in. 40 in 925 lb-ft 30 in. (1) 70 in.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Acompound shaft drives several pulleys, as shown in the figure. Segments (1) and (2) of the compound shaft are hollow
aluminum [G=4,000 ksi] tubes that have a polar moment of inertia of 2.337 in.4. Segments (3) and (4) are solid steel
[G=12,000 ksi] shafts that have a polar moment of inertia of 0.497 in.. The bearings shown allow the shaft to turn
freely. Calculate the rotation angle (including the correct sign) of pulley Dwith respect to pulley &
175 lb-ft
20 in.
525 lb-ft
D
40 in.
925 lb-ft
30 in.
(1)
70 in.

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