Coriolis force
Coriolis Force
Coriolis Force (/koʊriˈoʊlɪs/), also known as the Coriolis Effect, is a physical phenomenon that affects the motion of objects moving in a rotating system. The force is named after the French mathematician Gaspard-Gustave de Coriolis who described it in 1835.
Etymology
The term "Coriolis Force" is derived from the name of its discoverer, Gaspard-Gustave de Coriolis. The word "force" comes from the Latin word "fortis", meaning "strong".
Definition
In a rotating system, the Coriolis Force is an inertial force (also called a fictitious force) that acts perpendicular to the velocity of the moving object. It is given by the equation 2m(v x Ω), where m is the mass of the object, v is its velocity, and Ω is the angular velocity of the system.
Effects
The Coriolis Force is responsible for the deflection of winds and currents on the Earth's surface. In the Northern Hemisphere, it causes moving objects to be deflected to the right, and in the Southern Hemisphere, to the left. This effect is most noticeable in large-scale atmospheric and oceanic circulation patterns, such as hurricanes and trade winds.
Related Terms
See Also
External links
- Medical encyclopedia article on Coriolis force
- Wikipedia's article - Coriolis force
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