2.28 For the plane stress state shown: (a) Determine the principal stresses and show them on a properly oriented element. For this part, use the transformation equations only and not Mohr's circle (b) Repeat part (a) using Mohr's circle. (c) Determine the maximum shear stress and show the complete state of stress on a properly oriented element containing this maximum shear stress. y 25 kpsi 15 kpsi 12 kpsi 1 Problem 2.28 08 CHAPTER 2 STRESS AND STRAIN 2.29 For Problem 2.28 determine the directional cosines for the surfaces contain- ing the maximum and minimum shear stresses.

2.28 For the plane stress state shown: (a) Determine the principal stresses and show them on a properly oriented element. For this part, use the transformation equations only and not Mohr's circle (b) Repeat part (a) using Mohr's circle. (c) Determine the maximum shear stress and show the complete state of stress on a properly oriented element containing this maximum shear stress. y 25 kpsi 15 kpsi 12 kpsi 1 Problem 2.28 08 CHAPTER 2 STRESS AND STRAIN 2.29 For Problem 2.28 determine the directional cosines for the surfaces contain- ing the maximum and minimum shear stresses.

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 7.3.18P: -18 through 7.3-22 An element in plane stress (see figure) is subjected to stresses o, a., and (a)...

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