B7 A solid steel bar of diameter d, = 26.0 mm is enclosed by a steel tube of outer diameter d, = 37.5 mm and innerdiameter d,to a rigid plate at end B. The composite bar, which has a length Lacting on the end plate. The shear modulus of the steel is G = 80 GPa.%3D%3!32.0 mm (see figure). Both bar and tube are held rigidly by a support at end A and joined securely550 mm, is twisted by a torque T = 400 Nm%3!TubeBarEndplateCalculate:1.1 Determine the maximum shear stress in the bar.1.2 Determine the maximum shear stress in the tube.1.3. Determine the angle of rotation of the end of the plate in degrees.1.4. Determine the torsional stiffness of the composite bar.Kindly show all working.

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A solid steel bar of diameter d, = 26.0 mm is enclosed by a steel tube of outer diameter d diameter d, to a rigid plate at end B. The composite bar, which has a length L = 550 mm, is twisted by a torque T= 400 Nm acting on the end plate. The shear modulus of the steel is G = 80 GPa. = 32.0 mm (see figure). Both bar and tube are held rigidly by a support at end A and joined securely

A solid steel bar of diameter d, = 26.0 mm is enclosed by a steel tube of outer diameter d diameter d, to a rigid plate at end B. The composite bar, which has a length L = 550 mm, is twisted by a torque T= 400 Nm acting on the end plate. The shear modulus of the steel is G = 80 GPa. = 32.0 mm (see figure). Both bar and tube are held rigidly by a support at end A and joined securely

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A solid steel bar of diameter d, = 26.0 mm is enclosed by a steel tube of outer diameter d, = 37.5 mm and inner
diameter d,
to a rigid plate at end B. The composite bar, which has a length L
acting on the end plate. The shear modulus of the steel is G = 80 GPa.
%3D
%3!
32.0 mm (see figure). Both bar and tube are held rigidly by a support at end A and joined securely
550 mm, is twisted by a torque T = 400 Nm
%3!
Tube
Bar
End
plate
Calculate:
1.1 Determine the maximum shear stress in the bar.
1.2 Determine the maximum shear stress in the tube.
1.3. Determine the angle of rotation of the end of the plate in degrees.
1.4. Determine the torsional stiffness of the composite bar.
Kindly show all working.

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