In a liquid, the force required to maintain the flow of layers is 5N, velocity gradient in du/dx, area of contact is 20m2. Then what is the value of viscosity?

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1.	In a liquid, the force required to maintain the flow of layers is 5N, velocity gradient in du/dx, area of contact is 20m2. Then what is the value of viscosity?
A.	6.25 dz/du
B.	0.15 dz/du
C.	0.2 dz/du
D.	0.25 dz/du
Answer» E.

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