A horizontal plate `(10cmxx10cm)` moves on a layer of oil of thickness 4 mm with constant speed of `10(cm)/(s)`. The coefficient of viscosity of oil is 4 poise. The tangential force applied on the plate to maintain the constant speed of the plate is

A horizontal plate (10cmxx10cm ) moves on a layer of oil of thickness 4 mm with a constant speed of 10 cm/s . The coefficient of viscosity of oil is 4 poise. The constant speed of the plae 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 10 cm square rests on a 2 mm thick caster oil layer. Coefficient of viscosity of caster oil is 15 poise. The horizontal force needed to move the plate with speed 3 cm s^-1 is

A plate of area 100 cm^2 is floating on oil of depth 2 mm. The coefficient of viscosity of oil is 15.5 poise. What horizontal force is required to move the plate horizontally with a velocity of 3 cm. s^-1 ?

Glycerine is filled in 25 mm wide space between two large plane horizontal surfaces. A thin plate of area 0.75 m^(2) at a distance of 10 mm from one of the surfaces is in a horizontal position be the plates inside the glycerine. It is dragged horizontally at a constant speed of 0.5 ms^(2) . Take coefficient of viscosity eta =" 0.5 Ns m"^(-2) . What is the force required to drag the plate at a constant speed (in newton) ?

Glycerine is filled in 25 mm wide space between two large plane horizontal surfaces. A thin plate of area 0.75 m^(2) at a distance of 10 mm from one of the surfaces is in a horizontal position be the plates inside the glycerine. It is dragged horizontally at a constant speed of 0.5 ms^(2) . Take coefficient of viscosity eta =" 0.5 Ns m"^(-2) . What is the force required to drag the plate at a constant speed (in newton) ?

A metal plate 5 cm xx 5 cm rests on a layer of castor oil 1 mm thick whose coefficient of viscosity is 1.55 Nsm^(-2) . Find the horizontal foce required to move the plate with a speed of 2 cm/s

A plate of metal 0.1 m^2 in area rests on a layer of caster oil 0.2 cm thick whose co efficient of viscosity is 15.5 poise. Calculate the horizontal force required to move the plate with a speed of 0.3 m/s.

A metal plate 0.4 m^(2) inarea is lying on a liquid layer of thickness 10^(-3) m and coefficient of viscosity 140 poise . Calculate the horizontal force needed to move the plate with a speed of 0.040 m^(2)