Question: 3 Let the stress tensor at a certain point be i j = [ 1 0 4 - 2 4 5 3 - 2 3

3Let the stress tensor at a certain point be
ij=[104-2453-231]100(MPa)
Try to determine its principal stress, principal direction of
stress, and principal shear stress.
3 Let the stress tensor at a certain point be i j

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