(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

For the state of stress shown in the figure, normal stress acting on the plane of maximum shear stress is?

2. Relevant equations

Normal stress σ_{n}= σcos^{2}θ

3. The attempt at a solution

Plane of maximum shear stress is 45^{o}relative to the max stress of 100MPa.

So the total normal stress is 75MPa (compression).

I have assume the direction of normal stresses in both the cases with respect to applied stress.

Have I assumed the direction in both cases correctly?

Thanks in advance!

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# Homework Help: Direction & magnitude of normal stress

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