Questão de Mecânica dos Fluidos
What is the definition of specific weight (????)?
A
It is defined as the weight of the substance contained in a unit of volume.
B
It is defined as the volume occupied by a unit of mass of the substance.
C
It is an alternative way of expressing the specific mass of a substance, comparing it with the maximum specific mass of water at 4ºC for liquids and air for gases.
D
It is the mass of the substance contained in a unit of volume.
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