The unit of modulus of rigidity is mcq

The unit of modulus of rigidity is mcq

August 24, 2021

 MCQ  

The unit of modulus of rigidity is ...........




Options 

A) N

B) m

C) N / m²

D) N / m³

Correct answer : option C ( solution discussed below)



Solution
  • The modulus of rigidity is a ratio of shear stress upon shear strain.
modulus of elasticity (E)
         = shear stress 
            Shear strain
  • Shear stress si unit is N/ m² and shear strain is unit less quanity
So the unit of modulus of rigidity is N / m² (Newton/meter²)



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