Question

Define fluid, pressure, relative density, atmospheric pressure and gage pressure

Answer 1

Hey mate here your answer

Fluid : fluid is a substance that continually deforms (flows) under an applied shear stress, or external force.

PRESSURE : Pressure means how much something is pushing on something else. It is expressed as force per unit area: P=F/A.

RELATIVE DENSITY : the ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas

ATMOSPHERIC PRESSURE : the pressure exerted by the weight of the atmosphere, which at sea level has a mean value of 101,325 pascals (roughly 14.6959 pounds per square inch).


GAGE PRESSURE : the amount by which the pressure measured in a fluid exceeds that of the atmosphere

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Answer 2

Explanation:

Atmospheric pressure, also known as barometric pressure, is the pressure within the atmosphere of Earth. The standard atmosphere is a unit of pressure defined as 101,325 Pa, which is equivalent to 760 mm Hg, 29.9212 inches Hg, or 14.696 psi.