Civil Engineering > GATE 2020 SET-1 > Strength of Materials
In a two-dimensional stress analysis, the state of stress at a point P is [σ] = [[σxx, τxy], [τxy, σyy]] The necessary and sufficient condition for existence of the state of pure shear at the point P, is
A
σxx σyy - τxy2 = 0
B
τxy = 0
C
σxx + σyy = 0
D
(σxx - σyy)2 + 4τxy2 = 0

Explanation

Correct : c

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