The stress tensor in MPa for a three-dimensional system for some x, y z axis system is 20 40 -30 40 30 25 -30 25 -10] (a) Confirm that one of the principal stresses is 65.333 MPa, hence find the other princinal stresses and the direction cosines of the planes on which they act. (b) Determine the maximum shear stress.

The stress tensor in MPa for a three-dimensional system for some x, y z axis system is 20 40 -30 40 30 25 -30 25 -10] (a) Confirm that one of the principal stresses is 65.333 MPa, hence find the other princinal stresses and the direction cosines of the planes on which they act. (b) Determine the maximum shear stress.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.2.26P: -26 A rectangular plate of dimensions 125 mm × 75 mm is subjected to tensile stress sy= 67 kPa and...

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-26 A rectangular plate of dimensions 125 mm × 75 mm is subjected to tensile stress sy= 67 kPa and compressive stress a. If it is known that the normal stress along the diagonal t—t is ??t= -6.57 kPa, find stress ??y on element A. a
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