1.

What is strain?

Answer»

When deforming force is applied an any object then there is change in its length or volume or shape. The proportional change produced in the shape and size of an object due to the deforming force is called strain. It is a dimensionless quantity. 

According to deformation strain have a three types:

(a) Longitudinal strain
(b) Volume strain
(c) Shearing strain



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