80MPa 1. For the stress state shown to the right, determine the normal stresses and shear stresses, Or, Oy, Try, when the 50 MPa coordinate system has been rotated 10 counter-clockwise. X Ans: Or =-19.5 MPa, Oy =-60.5 MPa, Try =-60.7 MPa 50 MPa 80 MPa