Fluid MechanicsEasy
Question
Spherical balls of radius R are falling in a viscous fluid of viscosity η with a velocity v. The retarding viscous force acting on the spherical ball is
Options
A.directly proportional to R but inversely proportional to v.
B.directly proportional to both radius R and velocity v.
C.inversely proportional to both radius R and velocity v.
D.inversely proportional to R but directly proportional to velocity v.
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