[Solved] The modulus of rigidity is the ratio of

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Q.	The modulus of rigidity is the ratio of
A.	Longitudinal stress to longitudinal strain
B.	Volume stress to volume strain
C.	Shearing stress to shearing strain
D.	Tensile stress to tensile strain
Answer» C. Shearing stress to shearing strain
Explanation: In materials science, shear modulus or modulus of rigidity, denoted by G, or sometimes S , is defined as the ratio of shear stress to the shear strain. The shear modulus describes the material's response to shearing strains (like cutting it with dull scissors).The shear modulus is concerned with thedeformation of a solid when it experiences a force parallel to one of its surfaces while its opposite face experiences an opposing force (such as friction). In the case of an object that's shaped like a rectangular prism, it will deform into a parallelepiped.

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