The viscous force acting between two layers of a liquid is given by `F/A=eta(dv)/(dz)`. This F/A may be caled

The viscous force acting on adjacent layers of liquid is

When a liquid flows in a tube, there is relative motion between adjacent layers of the liquid. This force is called the viscous force which tends to oppose the relative motion between the layers of the liquid. Newton was the first person to study the factors that govern the viscous force in a liquid. According to Newton’s law of viscous flow, the magnitude of the viscous force on a certain layer of a liquid is given by F = - eta A (dv)/(dx) where A is the area of the layer (dv)/(dx) is the velocity gradient at the layer and eta is the coefficient of viscosity of the liquid. If f is the frictional force between a solid sliding over another solid, and F is the viscous force when a liquid layer slides over another, then :

When a liquid flows in a tube, there is relative motion between adjacent layers of the liquid. This force is called the viscous force which tends to oppose the relative motion between the layers of the liquid. Newton was the first person to study the factors that govern the viscous force in a liquid. According to Newton’s law of viscous flow, the magnitude of the viscous force on a certain layer of a liquid is given by F = - eta A (dv)/(dx) where A is the area of the layer (dv)/(dx) is the velocity gradient at the layer and eta is the coefficient of viscosity of the liquid. The dimensional formula for the coefficient of viscosity is :

When a liquid flows in a tube, there is relative motion between adjacent layers of the liquid. This force is called the viscous force which tends to oppose the relative motion between the layers of the liquid. Newton was the first person to study the factors that govern the viscous force in a liquid. According to Newton’s law of viscous flow, the magnitude of the viscous force on a certain layer of a liquid is given by F = - eta A (dv)/(dx) where A is the area of the layer (dv)/(dx) is the velocity gradient at the layer and eta is the coefficient of viscosity of the liquid. A river is 5 m deep. The velocity of water on its surface is 2 ms^(-1) If the coefficient of viscosity of water is 10 ^(-3 ) Nsm ^(-2) , the viscous force per unit area is :

According to Newton, the viscous force acting between liquid layers of area A and velocity gradient (Deltav)/(Deltaz) is given by F =- eta A (dv)/(dz) , where eta is constant called

According to Newton, the viscous force acting between liquid layers of area A and velocity gradient Deltav//Deltaz is given by F=-etaA(Deltav)/(Deltaz) where eta is constant called coefficient of viscosity. The dimension of eta is :

Frictional force between solids operates even when they do not move with respect to each other. Do we have viscous force acting between two layers even if there is no relative motion?

The viscous force F on a sphere of radius a moving in a medium with velocity v is given by F = 6 pi no v. The dimension of eta are

The viscous force on a lead shot travelling down with velocity v in a liquid column is F .If the same lead shot travelling down with velocity 3v in another vertical liquid column is opposed by viscous force 2F the ratio of the coefficients of viscosities of the liquids is