# hydrostatics vs hydrodynamics

by
**Woodburygirl**

Last updated 12 years ago

** Discipline: **

Science ** Subject: **

Physics

Hydrodynamics vs. Hydrostatics

Bernoulli's Principle

Archimedes' Principle

Katie WoodburyPhysics ClassFebruary 20, 2010

Bernoulli's Principle states that as the velocity of a fluid increases, the pressure exerted by that fluid decreases.

Archimeses' Principle states that an object inmmersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object.

Hydrodynamics is the Study of Fluid in Motion.It is used to understand how objects fly and is described by Bernoulli's Principle.

Hydrostatics is the study of Fluids at Rest. It is used to understand how objects float and is described by Archimedes' Principle and Pascal's principle.

Pascal's Law

Pascal's Principle states that any change in pressure applied to a confined fluid at any point is transmitted undiminished throughout the fluid. This is found in a tube of toothpaste and hydraulics.

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