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Problem 1 (10pts) The components of stress at a point are given as right. Compute the effective/von Mises stress o Also determine the components of stress vector T( σ/) if this stress acts on the plane 2x+ 3y-52-5 0. (Note, first find the unit normal vector to this surface.) σ- ,=13-2-31 MPa 1-32丿 Extra Credit (5pts) Find the three principal stresses for this state of stress. Also determine the principal direction/vector of the largest tensile principal stress.
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S 3 ) 2 one Th: 2, 2년새 Try 2-445 Me -3 23 2 21 -3 2-6 -21 t11 80) 2 tc

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