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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The state of plane stress at a point can be described by a known tensile stress σx = 70 MPa, an unknown tensile stress σ, and an unknown shear stress τ, as indicated in Fig. P8.4-15. At this point the maximum in-plane shear stress is 78 MPa, and one of the two in-plane principal stresses is 22 MPa (T). Determine the values of the two unknown stresses, labeled σ and τ on the figure, and determine the second in-plane principal stress. The stresses act in the directions shown on Fig. P8.4-15, that is, ![]()

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