What is strain? 

Strain is defined as the change in dimension per unit original dimensions is called as strain


They are two types of strain


1 ) Longitudinal strain

Def : if deforming force produces change in length of the body then corresponding strain is called as longitudinal strain



2 ) Volume strain

Def : if deforming force produces change in volume of the body then corresponding strain is called as volume strain


3 ) sharing strain

Def : if deforming force produces change in shape of the body then corresponding strain is called as sharing strain