UPSC Civil Service Exam Questions

Q1:
The side AD of the square block ABCD as shown in the given figure is fixed at the base and it is under a state of simple shear causing shear stress τ and shear strain π, where The distorted shape is AB'C'D. The diagonal strain (linear) will be

A

B

C
φ2

D φ

ANS:A -

Shear strain of a diagonal = 1/2 of sum of shear strain components.



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