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1. |
The relation between the shear stress component in xz-plane in Cartesian coordinates and polar coordinates for vertical line load is ___________ |
A. | τxz=σr tan2θ |
B. | τxz=σr cosec2θ |
C. | τxz=σr sinθcosθ |
D. | τxz=σr sin2θ |
Answer» D. τxz=σr sin2θ | |