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Shear Modulus

Why is modulu...

Question

Why is modulus of rigidity zero for liquids?

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Solution

The ratio of tangential stress to the shearing strain within limits of proportionality is termed as modulus of rigidity of the material of a given body. ... Liquids cannot sustain shearing stress and the tangential forces are also zero so they do not develop any stress. Hence, modulus of rigidity is zero.

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