Introduction to Classical Mechanics · Problem 10.16
Relativity (Kinematics) — Morin
Physics — Mechanics · swirling-down-a-drain
Problem
Does the Coriolis force cause the rotation you often see in water going down a drain? That is, does the water rotate in different directions in the northern and southern hemispheres? A rough order-of-magnitude argument is sufficient. See Shapiro (1962) for a discussion of this.