Questões da Prova Marinha - 2013 - Quadro Complementar - Segundo-Tenente - Ciências Náuticas - Área Náutica
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( ) The buoyancy of a body immersed in a fluid is the vertical up thrust it experiences due to displacement of the fluid.
( ) The buoyancy is the resultant of all the forces due to hydrodynamic pressure on the underwater portion of the body .
( ) The ratio of the density of a solid or a liquid to the density of pure water is the specific gravity.
( ) The watertight volume of a ship above the water line is called reserve of displacement.