Task: Text Categorization
Input (English): When put in the momentum equation, this quantity is represented mathematically as two times capital omega cross v. When the Rossby number equals one, the net acceleration is due to this quantity, as gravitational and centripetal accelerations cancel. The Beta Effect describes the variation in this quantity with (*) latitude, such that it is zero at the equator and a maximum at the poles. For 10 points, name this weak force caused by the rotation of the Earth, which contrary to myth does not actually make toilets flush in different directions in different hemispheres.
Output (English): Science