A hydrostatic paradox revisited

Author: Ganci Salvatore  

Publisher: IOP Publishing

ISSN: 0031-9120

Source: Physics Education, Vol.47, Iss.2, 2012-03, pp. : 152-154

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Abstract

This paper revisits a well-known hydrostatic paradox, observed when turning upside down a glass partially filled with water and covered with a sheet of light material. The phenomenon is studied in its most general form by including the mass of the cover. A historical survey of this experiment shows that a common misunderstanding of the phenomenon has recently arisen.