A material which obeys Hooke’s law is subjected to direct stress \sigma _0. At its elastic limit, which of the following statements is true?

Correct Answer is : All options are correct

Strain is equal to {\sigma_0 } /E

Maximum shear stress = {\sigma_0 } /2

Strain energy {\sigma_0 } /{2E} × volume

SSC JE Civil Engineering 2018 Set 3 Solved Paper

Question : 192 of 200

Marks: +1, -0

A material which obeys Hooke’s law is subjected to direct stress

σ _0.

At its elastic limit, which of the following statements is true?

Solution:

Direct stress =

σ_0

.
Strain =

σ_0/E

Maximum shear stress =

{σ_0-0}2=σ_0/2

Strain Energy =

{σ_0^2 } /{2E}

× volume

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