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What is strokes law?

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What is strokes law?

Posted by Abhishek Kala 6 years, 9 months ago

CBSE > Class 11 > Physics

4 answers

😜Arnav Arya🙃 6 years, 9 months ago

According to Stokes law the backward viscous force acting on a small spherical body of radius R are moving with a uniform velocity V through fluid of viscosity neta is given by :- F =6nπrv

Nancy Rajput 6 years, 9 months ago

It is a law that predicts the frictional force on a spherical body falling through a viscous medium (like oil), under the influence of gravity. We have, F=6pie ×n× r×v Where r=radius of the falling sphere, v= instantaneous velocity and n Is the viscosity of the medium The sphere accelerates until it reaches a steady terminal speed, i.e., when F is equal to the gravitational force on the sphere.

Macherla Indupriya 6 years, 9 months ago

The viscous drag force (f) on the sphere of radius (r) moving with the velocity(v) through the fluid of viscocity(n) is F=6πnrv

Yogita Ingle 6 years, 9 months ago

The force that retards a sphere moving through a viscous fluid is directly ∝to the velocity and the radius of the sphere, and the viscosity of the fluid.
Mathematically:-F =6πηrv where
Let retarding force F∝v where v =velocity of the sphere
F ∝ r where r=radius of the sphere
F∝η where η=coefficient of viscosity
6π=constant
Stokes law is applicable only to laminar flow of liquids.It is not applicable to turbulent law.

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