In a two-dimensional static structural problem, the various non-zero

1.	In a two-dimensional static structural problem, the various non-zero stresses are ____
A.	σ=[σxσyσz]
B.	σ=[σxσyσx+σy]
C.	σ=[σxσyσx-σy]
D.	σ=[σxσyτxy]
Answer» E.

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