A thin-walled, two-cell aluminum tube, symmetric with the y and z axes, is transmitting a torsional moment of 2.5 kN-m. The thickness of each wall is 5 mm. For aluminum let E= 70 GPa and v=0.33. Determine the average shear stress in each wall and the angle of twist per unit length. 25 R

A thin-walled, two-cell aluminum tube, symmetric with the y and z axes, is transmitting a torsional moment of 2.5 kN-m. The thickness of each wall is 5 mm. For aluminum let E= 70 GPa and v=0.33. Determine the average shear stress in each wall and the angle of twist per unit length. 25 R

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.6.1P: A steel bar has a square cross section of width b = 2.0 in. (sec figure). The bar has pinned...

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Question

average shear stress = 50.4 MPa

angle of twist per unit length = 3.06 deg/m

A thin-walled, two-cell aluminum tube, symmetric with the y and z axes, is
transmitting a torsional moment of 2.5 kN m. The thickness of each wall is 5
mm. For aluminum let E = 70 GPa and v=0.33. Determine the average
shear stress in each wall and the angle of twist per unit length.
25 R
T
30

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