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1. |
An element in a strained body is subjected to only shear stress of intensity 50 MPa tending to rotate the body in a clockwise direction. What is the magnitude of principal stresses? |
A. | ± 50 MPa |
B. | + 50 MPa, -25 MPa |
C. | + 25 MPa, -50 MPa |
D. | ± 25 MPa |
Answer» B. + 50 MPa, -25 MPa | |