Basics of Physics by Unknown

Basics of Physics by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 0000000000000
Published: 2021-10-02T22:59:01+00:00


Shear stress (τ) = µ (dy/dx)

Where, µ is the constant of proportionality which is known as coefficient of viscosity or dynamic viscosity.

Dynamic Viscosity

It can be defined as the shear stress which is required to produce unit shear strain or unit angular deformation in the fluid. If τ be the shear stress required to produce a shear strain of dv/dy, then

Dynamic viscosity µ = τ / dv/dy

Kinematic Viscosity

Kinematic viscosity may be defined as the ratio of dynamic viscosity to mass density. It is denoted by symbol v (nu). Mathematically,



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