
Centripetal force (from Latin centrum `center` and petere `to seek`) is a force that makes a body follow a curved path: its direction is always orthogonal to the velocity of the body, toward the fixed point of the instantaneous center of curvature of the path. Centripetal force is generally the cause of circular motion. In simple terms, centri...
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http://en.wikipedia.org/wiki/Centripetal_force

When making a turn, the force that tends to pull the body to the inside of the turn.
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http://snowheads.com/ski-forum/viewtopic.php?p=1814783

A force which is directed towards the center of rotation.
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http://www.braeunig.us/space/glossary.htm

(from the article `mechanics`) ...is required to produce this acceleration. In the case of an orbiting planet, the force is gravity. The situation is illustrated in Figure 9. The ... Newton`s use of the calculus in the Principia is illustrated by proposition 11 of Book I: if the orbit of a particle moving under a centripetal force ... ...
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http://www.britannica.com/eb/a-z/c/45

the force which always points from a body in rotation to the center of rotation.
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http://www.chemistry-dictionary.com/definition/centripetal+force.php

The force applied to a body to maintain its motion in a circular path. To maintain a body of mass m moving with instantaneous velocity v in a circular path of radius r, a centripetal force of magnitude mv
2/r must be applied toward the center of the circle. If a body is moving ...
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http://www.daviddarling.info/encyclopedia/C/centripetal_force.html

Force generated as the air goes around the curves in the air.
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http://www.encyclo.co.uk/local/20160

(Learning Modules / Mathematics / Gravity) The necessary force acting radially in towards the centre of a circle to keep an object moving in that circular path.
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a force that keeps a body moving in a circular path
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http://www.exploratorium.edu/skateboarding/largeglossary.html

Force required to keep an object moving in a circular pattern around a center of rotation. This force is directed towards the center of rotation. Common in meteorological phenomena like tornadoes and hurricanes.
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http://www.physicalgeography.net/physgeoglos/c.html

[
n] - the inward force on a body moving in a curved path around another body
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http://www.webdictionary.co.uk/definition.php?query=centripetal%20force

The equal and opposite of centrifugal force. It is the force acting on the body and maintaining it in the curved path.
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https://www.encyclo.co.uk/local/20784

A force exerted on an object moving in a circular path which is exerted inward toward the center of rotation.
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https://www.encyclo.co.uk/local/20850
noun the inward force on a body moving in a curved path around another body
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https://www.encyclo.co.uk/local/20974

Force that acts radially inwards on an object moving in a curved path. For example, with a weight whirled in a circle at the end of a length of string, the centripetal force is the tension in the string. For an object of mass
m moving with a velocity
v in a circle of radius
r, the centripetal...
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https://www.encyclo.co.uk/local/21221

the force, acting upon a body moving along a curved path, that is directed toward the center of curvature of the path and constrains the body to the path.
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https://www.infoplease.com/dictionary/centripetal-force
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