Question

The ratio of shear stress to the strain rate in ` fluid is called `?​

Answer 1

Answer:

The property of a fluid to resist the growth of shear deformation is called viscosity. The form of the relation between shear stress and rate of strain depends on a fluid, and most common fluids obey Newton's law of viscosity, which states that the shear stress is proportional to the strain rate: τ = µ dγ dt .

Explanation:

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Answer 2

It is called shear modulus

• The ability of a fluid to withstand shear distortion development is referred to as viscosity.
• The proportion of shear pressure to shear strain is referred to as the modulus. It's otherwise called the inflexibility modulus, and is generally denoted by the alphabet G
• It is denoted as G = Txy/ Yxy, where , G is the shear modulus , Txy is the shear stress or pressure in xy direction and Yxy is the shear strain