Why do raindrops falling under gravity not acquire very high velocity? give a practical application of this concept?
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Because of "Terminal Velocity", which is acquired when gravitational force is neutralized by viscous forces. The Viscous force at Terminal Velocity is given by:
F=6ηπrv (η is viscosity, r is radius of drop, and v is terminal velocity)
One real life application of this theory is during homogenization of milk where this theory is used to calculate how long it takes for fat molecules to accumulate at the bottom of milk container.
F=6ηπrv (η is viscosity, r is radius of drop, and v is terminal velocity)
One real life application of this theory is during homogenization of milk where this theory is used to calculate how long it takes for fat molecules to accumulate at the bottom of milk container.
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