Fluid MechanicsHard
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.
More Fluid Mechanics Questions
A tube in vertical plane is shown in figure. It is filled with a liquid of density r and its end B is closed. Then the f...When a force is applied on a wire of uniform cross-sectional area 3 × 10-6 m2 and length 4 m, the increase in lengt...Shape of meniscus for a liquid of zero angle of contact is -...Which one of the following substances possesses the highest elasticity :...Poisson′s ratio can not have the value :...