Spherical balls of radius 'R' are falling in a viscous fluid of viscosity `'eta'` with a velocity 'v'. The retarding viscous force acting on the spherical ball is

Spherical balls of radius R are falling in a viscous fluid of velocity v .The retarding viscous force acting on the spherical ball is

Spherical balls of radius R are falling in a viscous fluid of velocity v .The retarding viscous force acting on the spherical ball is

The terminal velocity of a sphere of radius R, falling in a viscous fluid, is proportional to

The terminal velocity of a sphere of radius R, falling in a viscous fluid, is proportional to

A spherical ball of density sigma is freely falling in a viscous liquid of density p (p lt sigma). The initial acceleration of the ball will be

A small lead ball is falling freely in a viscous liquid The velocity of the ball

A small lead ball is falling freely in a viscous liquid The velocity of the ball

Using dimensions show that the viscous force acting on a glass sphere falling through a highly viscous liquid of coefficient of viscosity eta is Fprop eta av where a is the radius of the sphere and v its terminal velocity.