What is the definition of strain ?


What is the definition of strain ? 


A) force per unit area

B) force per unit deformation

C) deformation per unit length 

D) force per unit length 

Correct answer : option C ( solution discussed below)

  • The strain is a ratio of change in deformation per unit original length 
         = change in deformation

  • When load is applied on body that time body get deformed and this deformation per unit length is called as strain 
So the Strain is a ratio of deformation per unit length 

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