It has already been explained that the cross-sectional area of a liquid column has no influence on the hydrostatic pressure. &p =\frac Figure: Total pressure at a given depth as the sum of ambient pressure and hydrostatic pressure Hydrostatic paradox The contact pressure caused by the ice column is calculated from the quotient of the weight and the contact surface area according to the definition of the pressure: With this weight the ice column presses on the ground underneath it. This ice column has a certain mass m and thus also a certain weight F G=m⋅g. In order to better understand the formation of the hydrostatic pressure, a cylindrical ice block with a cross-sectional area A is first considered. Derivation of the hydrostatic pressure The contact pressure In technical terminology, this pressure of a liquid due to its weight is called hydrostatic pressure. In principle, this can be regarded as the contact pressure of the liquid column. This is due to the liquid column lying above the considered depth, which exerts an additional force due to its weight. In practice, this leads to a special phenomenon: the pressure in liquids increases more and more with increasing depth. Compared to a gas, however, a liquid has a relatively high density. In the same way as the particles in gases exert a pressure on interfaces, the particles in liquids also exert a pressure.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |