Here are the typical questions and answers found at the end of Paragraph 23:
These are vessels that are connected at the bottom, allowing liquid to flow freely from one to another (e.g., a teapot and its spout).
The surfaces settle at the same horizontal level, regardless of the vessels' shapes or widths.
In communicating vessels of any shape, a stationary liquid of the same density will always settle at the same horizontal level. This happens because the pressure at any given depth in a liquid depends only on the height of the liquid column (
