Question

State stoke's law of viscous force. Derive an expression for viscous force acting on a sphere falling
through a viscous liquid using dimensional analysis.

Answer 1

Explanation:

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Answer 2

Explanation:

The more usual form of this relationship, called Newton's equation , states that the resulting shear of a fluid is directly proportional to the force applied and inversely proportional to its viscosity.

The similarity to Newton's second law of motion (F = ma) should be apparent.