Strain in Physics

 

Strain:

 

Stress can produce a change in shape, volume or length in an object. This change in the shape of an object is called strain.

 

Formula:

 

Mathematically,

 

Strain = Change in Length/Length or Strain = Change in volume / volume

 

Units:

 

2 Since strain is a ratio between two similar quantities, it has no unit.

 

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