A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ?

A. Inertial and drag forces are important
B. Drag, gravitational and buoyancy forces are important
C. Drag force and gravitational forces are important
D. None of the above

Correct Answer: Drag, gravitational and buoyancy forces are important ✔

Last Updated: March 10, 2019