What is coefficient of viscosity ?

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 steel ball with radius 0.3mm is falling with velocity of 2 m//s at a time t, through a tube filled with glycerin, having coefficient of viscosity 0.833 Ns//m^2 . Determine viscous force acting on the steel ball at that time.

What will be the critical velocity of water in a tube of radius 1 m , if the coefficient of viscosity of water is 1793 poise and Reynold's number is 2000 ?

What is S.I and C.G.S. unit of coeffecient of viscosity ?

What is coefficient of emission (emissivity)?

In dimension of circal velocity v_(0) liquid following through a take are expressed as (eta^(x) rho^(y) r^(z)) where eta, rhoand r are the coefficient of viscosity of liquid density of liquid and radius of the tube respectively then the value of x,y and z are given by

The water flows form a tap of diameter 1.25 cm with a rate of 5xx10^(-5) m^(3) s^(-1). The density and coefficient of viscosity of water are 10^(3)kg m ^(-3) and 10^(-3) Pa. s respectively. The flow of water 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

Which one of the following represents the correct dimensions of the coefficient of viscosity?