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The tangential force or viscous force on...

The tangential force or viscous force on any layer of the liquid is directly proportional to the velcoity gradient `dupsilon//dx.` Then the direction of velcoity gradient is

A

perpendicular to the direction of flow of liquid

B

parallel to the direction of flow of liquid

C

opposite to the direction of flow of the liquid

D

independent of the direction of flow of liquid.

Text Solution

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The correct Answer is:
A
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