Determine the principal stress for the state of stress? ( begin{vmatri – McqOptions

MCQOPTIONS

1.	Determine the principal stress for the state of stress? ( begin{vmatrix}0 & -100 & 0 -100 & 200 & 0 -0 & 0 & -150 end{vmatrix} )
A.	1=100, 2=200, 3=-150
B.	1=-100, 2=-200, 3=-150
C.	1=241.42, 2=-41.42, 3=-150
D.	1=150, 2=41.42, 3=-241.42
Answer» D. 1=150, 2=41.42, 3=-241.42

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