MCQ
what is si unit of modulus of rigidity?
Options
A) N
B) m
C) N / m
D) N / m²
Correct answer : option D ( N / m²)
Solution
Modulus of rigidity is ratio of shear stress upon shear strain. Modulus of rigidity si unit is N /m². Modulus of rigidity is also known as shear modulus
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