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Fluid statics or hydrostatics is the branch of fluid mechanics that studies fluids at hydrostatic equilibrium [1] and "the pressure in a fluid or exerted by a fluid on an immersed body". [ 2 ] It encompasses the study of the conditions under which fluids are at rest in stable equilibrium as opposed to fluid dynamics , the study of fluids in motion.
(This formula is used for example in describing the measuring principle of a dasymeter and of hydrostatic weighing.) Example: If you drop wood into water, buoyancy will keep it afloat. Example: A helium balloon in a moving car. When increasing speed or driving in a curve, the air moves in the opposite direction to the car's acceleration.
The hydrostatic equilibrium pertains to hydrostatics and the principles of equilibrium of fluids. A hydrostatic balance is a particular balance for weighing substances in water. Hydrostatic balance allows the discovery of their specific gravities. This equilibrium is strictly applicable when an ideal fluid is in steady horizontal laminar flow ...
Fluid statics or hydrostatics is the branch of fluid mechanics that studies fluids at rest. It embraces the study of the conditions under which fluids are at rest in stable equilibrium ; and is contrasted with fluid dynamics , the study of fluids in motion.
Consider a cubic parcel of fluid with a density , a height , and a surface area .The mass of the parcel can be expressed as, =.Using Newton's second law, =, we can then examine a pressure difference (assumed to be only in the -direction) to find the resulting force, = =.
It is the first known work on hydrostatics, of which Archimedes is recognized as the founder. [ 1 ] The purpose of On Floating Bodies I-II was to determine the positions that various solids will assume when floating in a fluid , according to their form and the variation in their specific gravities .
Pascal's barrel is the name of a hydrostatics experiment allegedly performed by Blaise Pascal in 1646. [9] In the experiment, Pascal supposedly inserted a long vertical tube into an (otherwise sealed) barrel filled with water. When water was poured into the vertical tube, the increase in hydrostatic pressure caused the barrel to burst. [9]
Bernoulli's principle is a key concept in fluid dynamics that relates pressure, density, speed and height. Bernoulli's principle states that an increase in the speed of a parcel of fluid occurs simultaneously with a decrease in either the pressure or the height above a datum. [1]: