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Viscous force is of the same character as _______ forces in solids.

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in Food Processing Unit Operations by (110k points)
Viscous force is of the same character as _______ forces in solids.

(a) shear

(b) impact

(c) gravitational

(d) electromagnetic

I got this question during an online exam.

This question is from Fluid Flow Theory in portion Fluid Flow Theory & Applications of Food Processing Unit Operations

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Best answer
Right option is (a) shear

To explain: Viscous force is the force between object and the fluid moving, in a direction to oppose the fluid flow past the object. It is similar to the shear stress forced upon a solid and they arise from forces which exist between the molecules.

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