Engineering, 15.01.2020 19:31, kingjustin0825

Which of the following is correct regarding the principal stresses and maximum in-plane shear stresses? a. principal stresses cannot be negative. b. the shear stress over principal stress planes is always zero. c. a principal stress plane can be reached by rotating the maximum in-plane shear stress plane 90° in the clockwise direction. d. the maximum in-plane shear stress is always smaller than principal stresses.

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Which of the following is correct regarding the principal stresses and maximum in-plane shear stress...