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 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 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 circular metal plate of radius 6 cm rests on a layer of caster oil 1.5 mm thick, whose coefficient of viscosity is 15.5 poise. Find the horizontal force (in kg wt) required to move the plate with a speed of 60 ms^(-1) .

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 metal plate 5cmxx5cm rests on layer of castor oil 1mm thick whose coefficient of viscosity is 1.55 Nsm^(-1) . Find the horizontal force required to move the plate with a speed of 2 cm^(-1) .

A metal plate 0.04m^(2) in area 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/s.