Question

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what is the formula for finding viscous force​

Answer 1

Answer:The viscous force can be calculated by multiplying the shear stress acting on the surface by the fluid and the area.

The shear stress caused due to the viscosity of the fluid is directy proportional to the coefficient of viscosity of the fluid and the velocity gradient.

Explanation:

Answer 2

Answer:

The viscous force can be calculated by multiplying the shear stress acting on the surface by the fluid and the area. The shear stress caused due to the viscosity of the fluid is directy proportional to the coefficient of viscosity of the fluid and the velocity gradient. Coefficient of viscosity is defined as tangential force required to maintain a unit velocity gradient between two parallel layers of liquid of unit area. Mathematically, Coefficient of viscosity (η)= Fr/Av where F = tangential force, r = distance between the layers , v = velocity.

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Explanation: