Fluid MechanicsHard
Question
A ball rises to surface at a constant velocity in liquid whose density is 4 times greater than that of the material of the ball. The ratio of the force of friction acting on the rising ball and its weight is :
Options
A.3 : 1
B.4 : 1
C.1 : 3
D.1 : 4
More Fluid Mechanics Questions
If in the above problem the sphere is slightly displaced vertically from its equilibrium position, the time period of th...A glass capillary tube is of the shape of a truncated cone with an apex angle α so that its two ends have cross sec...There are two liquid drops of different radii. The excess pressure inside over the outside is :...For a given material, the Young′s modulus is 2.4 times that of rigidity modulus. Its Poisson′s ratio is :...The lower end of a capillary tube touches a liquid whose angle of contact is 900. The liquid...