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Stresses at a point are: 60 MPa in the x-direction, 80 MPa in the y-direction and...

Stresses at a point are: 60 MPa in the x-direction, 80 MPa in the y-direction and no shear stress in this reference x-y plane. Note that these are already the principal stresses and the reference plane x-y is the principal plane. What are the stresses at 45o clockwise from the principal planes? Show them on a properly-oriented element. Mohr’c cirle is to be used and no equations will be accepted.

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