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Theory of Structures

Q1: Stress may be defined as

A force per unit length

B force per unit volume

C force per unit area

D none of these.

ANS:C - force per unit area

Its resisting force per unit area. If a body is free to expand when it is subjected to either axial, Normal or tensile force, then the stress generated will be zero.

Hence even though these bodies have forced applied the stress is zero because the body is not resisting the forces.



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