Question: The stress tensor in MPa for a three-dimensional system for some x, y z axis system is 20 40 -30] 25 40 30 L-30

The stress tensor in MPa for a three-dimensional system for some x, y z axis system is 20 40 -30] 25 30 -10] L-30 25 (a) Conf

The stress tensor in MPa for a three-dimensional system for some x, y z axis system is 20 40 -30] 25 40 30 L-30 25 -10] (a) Confirm that one of the principal stresses is 65.333 MPa, hence find the other principal stresses and the direction cosines of the planes on which they act. (b) Determine the maximum shear stress.

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