A spherical ball of radius 'R' is falling through liquid of viscosity 'Π' with velocity 'v'. The retarding force acting on the spherical ball is: - VgyanHub

Question:

A spherical ball of radius ‘R’ is falling through liquid of viscosity ‘Π’ with velocity ‘v’. The retarding force acting on the spherical ball is:

Options :

(a) inversely proportional to radius 'R' and directly proportional to velocity 'v'.
(b) directly proportional to radius R and velocity 'v'.
(c) directly proportional to radius R and inversely proportional to velocity 'v'.
(d) inversely proportional to radius 'r' and velocity 'v'.

Answer :

(b) directly proportional to radius R and velocity ‘v’.

Answer Steps :

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