A metal plate of area `2m^2` is pulled horizontally with a velocity of `0.5m^-1` on a liquid layer `1mm` thick. The force required, if the viscosity of liquid is `12Nsm^-2` is

Calculate the force required to move a flat metal plate of area 25cm^2 with a uniform velocity of 20 m//s over the surface of a liquid 1 mm thick if the coefficient of viscosity (n) is 2 Ns//m^2

The force of 2000 dyne is required to move a flat glass plate of surface area 10 cm^(2) with a velocity of 1 cm/s over a surface of glycerine 1 mm thick. The coefficient of viscosity of glycerine is

The force of 2000 dyne is required to move a flat glass plate of surface area 10 cm^(2) with a velocity of 1 cm/s over a surface of glycerine 1 mm thick. The coefficient of viscosity of glycerine is

A metal plate of area 10^(-3)m^(2) is placed on a liquid layer of thickness 0.8mm . The coefficient of viscosity of that liquid is 24 poise .Then the horizontal force required to move the plate with a velocity of 1cms^(-1) .

A metal plate of area 20 cm^2 , is separated from a large plate by a layer of glycerine I mm thick. The coefficient of Viscosity of the glycerine is 20 poise. What is the honz?ntal force required to keep the plate moving with a velocity of 2 cm/s? [poise= 10^(-1)N-s//m^2 ]

There is a 1 mm thick layer of oil between a flat plate of area 10^(-2)m^(2) and a big plate. How much force is required to move the plate with a velocity of 1.5 cm//s^ . The coefficient of viscosity of oil is 1 poise

A metal plate of area 500 cm^92) is kept on a horizontal surface with a layer of oil of thickness 0.5 mm between them. The horizontal force required to drag the plate with a velocity of 2 cm/s is (coefficient of viscosity =0.9 kg/ms)

A metal plate of area 500 cm^92) is kept on a horizontal surface with a layer of oil of thickness 0.5 mm between them. The horizontal force required to drag the plate with a velocity of 2 cm/s is (coefficient of viscosity =0.9 kg/ms)

A plate of area 2m^(2) is made to move horizontally with a speed of 2m//s by applying a horizontal tangential force over the free surface of a liquid. If the depth of the liquid is 1m and the liquid in contact with the bed is stationary. Coefficient of viscosity of liquid is 0.01 poise. Find the tangential force needed to move the plate.