Viscous force on a small sphere of radius r moving in a fluid varies directly with

Viscous force on small sphere of radius R moving in fluid varies as

The viscous force on a small sphere of radius R. moving in a fluid is directly proportional to:

The viscous force 'F' acting on a small sphere of rtadius 'r' moving with velocity v through the liquid is gib=ven by F= 6pinrv . Calculate the dimensions of n , the cofficent of viscosity.

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 F_(v) acting on a small ball of radius r moving in medium of coefficient of viscosity eta with speed v is proportional to eta^(a) r^(b) v^(c ) . Find the values of a, b and c.

Viscous drag force on a spherical body of radius r moving with speed v in a liquid is F. Viscous drag force on a spherical body of same material having radius 2r moving with speed 2v in same liquid will be?

The viscous drug on a sphere of medis, moving through a fluid with velocity can be expressed as 6 pi eta where eta is the coefficient of viscosity of the fluid. A small sphere of radius a and density sigma is released from the bottom of a column of liqaid of density rho . If rho ger than sigma describe the motion of the sphere. Deduce an expression for (i) initial acceleration of the sphere and (ii) its terminal velocity