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Hydrostatic Pressure

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Is described as Pressure to the act and result of compressing, squeezing or squeezing ; to the coercion that can be exerted on a subject or set; or the physical magnitude that allows to express the power or force exerted on an element or body in a certain surface unit.

The hydrostatic , meanwhile, is the branch of mechanics that specializes in fluid balance . The term is also used as an adjective to refer to what belongs or is linked to said area of ​​mechanics.

The hydrostatic pressure therefore realize the pressure or force that the weight of a resting fluid can cause . It is the pressure that an element experiences by simply being immersed in a liquid.

The fluid generates pressure on the bottom, the sides of the container and on the surface of the object introduced into it. Said hydrostatic pressure, with the fluid at rest, causes a force perpendicular to the walls of the container or the surface of the object.

He weight exerted by the liquid rises as the depth increases. The hydrostatic pressure is directly proportional to the value of gravity, the density of the liquid and the depth at which it is found.

Hydrostatic pressure (p ) can be calculated from the multiplication of gravity (g ), the density (d ) of liquid and depth (h ). In equation: p = d x g x h .

This type of pressure is very studied in the different educational centers so that young people can understand it well and see how it is in their day to day. Thus, for example, one of the experiments most used by science teachers to explain that is the one that is done by mixing various fluids.

In this specific case, it is common for them to bet on introducing water, oil and alcohol into a glass or bucket. Thus, based on the densities of each of these liquids, it is possible that the water is completely below, the oil on it and finally on both the alcohol will be placed. And it is that this has a higher density.

If the fluid is in motion, it will no longer exert hydrostatic pressure, but will speak of hydrodynamic pressure . In this case, we are facing a thermodynamic pressure that depends on the direction taken from a point.

In the healthcare field, there is also talk of what is known as capillary hydrostatic pressure to define the one that is supported by the pumping of the heart and that what it does is push the blood through the vessels. In front of it is also the interstitial hydrostatic pressure which, in turn, is the one carried out by the interstitial fluid, which is the one that is housed in the space between the cells.

Also in this field, there is also the so-called capillary osmotic pressure, which is what plasma proteins develop, they push the water into the vessel in question. And finally we find the interstitial osmotic pressure, which is also made by those proteins but defined by a lower concentration than the previous one.

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