Question: The stress tensor at a point is given by: = ( 3, 1, 0, 1, 1, 2, 0, 2 ,2) (unit: Pa) 2.1. Find the

The stress tensor at a point is given by: = ( 3, 1, 0, 1, 1, 2, 0, 2 ,2) (unit: Pa) 2.1. Find the traction vector corresponding to the plane with the unit normal vector: = [, , ]/ 2.2. Determine the normal and shear components of this traction (indicating both magnitude and direction of the components). 2.3. Find the maximum and minimum values of normal stress at this point, among all possible directions. 2.4. Write the matrix representation of the stress tensor with respect to the basis that consists of principal directions (no need to actually find the principal directions)

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