Question: * 9 - 5 2 . 5 0 points Determine ( a ) the principal stresses and ( b ) the maximum in - plane

*9-52.50 points
Determine (a) the principal stresses and (b) the maximum in-plane shear stress and average normal stress. Specify the orientation of the element in each case.
Use Mohr circle to solve the problem.
* 9 - 5 2 . 5 0 points Determine ( a ) the

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