A liquid whose coefficient of viscosity is η flows on a horizontal s

1.	A liquid whose coefficient of viscosity is η flows on a horizontal surface. Let dx represent the vertical distance between two layers of liquid and dv represent the difference in the velocities of the two layers. Then the quantity η(dv/dx) has the same dimensions as (a) acceleration (b) force (c) momentum (d) pressure
Answer» Correct Answer is: (d) pressure F = ηA.dv/dx or F/A =η. dv/dx This has the dimension of pressure.

A liquid whose coefficient of viscosity is η flows on a horizontal surface. Let dx represent the vertical distance between two layers of liquid and dv represent the difference in the velocities of the two layers. Then the quantity η(dv/dx) has the same dimensions as (a) acceleration (b) force (c) momentum (d) pressure

Answer»

Correct Answer is: (d) pressure

F = ηA.dv/dx or F/A =η. dv/dx

This has the dimension of pressure.