A flat plate of 20 cm squre moves over another similar plate with a thin layer of 0.4 cm of a liquid between them. If a force of one kg. wt. moves one of the plates uniformly with a velocity with a velcoity of `1 ms^(-1)` calculate the strain rate, sheraing stres and coefficient of viscosity.

A plate of metal 10 cm sq. rests on a layer of caster oil 2mm thick whose coefficient of viscosity is 15.5 dyn e cm^(-2)s . Calculate the horizontal force required to move the plate with a speed of 3 cm s^(-1) . Also calculate strain rate and shearing strees.

A metal plate of area 5 cm ^(2) is placed on a 0.5 mm thick castor oil layer .If a force of 22,500 dyne is needed to move the plate with a velcity of 3cms^(-1) Calculate the coeffcient of viscosity of castor oil.

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) .

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 circular metal plate of radius 5 cm, rests on a layer of castor oil 2mm thick, whose coeffeicient of viscosity os 15.5 dyn e cm^(-2)s . Calculate the horizontal force required to move the plate with a speed of 5 cms^(-1) . Also calculate strain rate and shearing stress.

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 square metal plate of 5 cm side is moving parallel to another plate with a velocity of 10 cm/s. Both the plates are immersed in water. If the viscous force is 300 dyne and viscotity of water is 0.01 poise, then calculate the distance between the paltes.

A metal plate of area 0.10m^(2) is connected to a 0.01 kg mass via a string that pases over an idial pulley (considered to be frictionless), as shown in the figure. A liquid with a film thickness of 3.0 mm is placed between the plate and the table. When released the plate moves to the right with a constant speed of 0.085ms^(-1) . Find the coefficient of vicosity of the liquid.

A square plate of 20 cm side moves over another plate with velocity 5 cm s^(-1) , both plates immersed in water. If the viscous force is 0.205 gf and viscosity of water is 0.01 poise, what is the separation between the plates?

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) .