A drop of water of radius r is falling through the air of coeffici | Filo
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Class 11

Physics

Mechanics

Mechanical Properties of Fluids

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A drop of water of radius r is falling through the air of coefficient of viscosity with a constant velocity of v. The resultant force on the drop is:

  1. zero
Correct Answer: Option(d)
Solution: When a drop is falling at constant velocity, viscous force is balanced by weight, hence resultant force is zero.
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