Explain the experiment to find the coefficient of viscosity of liquid using the stocks formula
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Coefficient of viscosity of a liquid is defined as the viscous force acting per unit area between two adjacent layers of a liquid with a velocity gradient normal to the direction of flow of the liquid. η = F / A(dv/dx) .
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The weight of the sphere is, W=ρ1.33πr
3
g
The force of buoyancy is, B=σ1.33πr
3
g
Since, this has to be equal to the drag force experienced by the body as it is travelling at a constant velocity.
D=6πηrV
Explanation:
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