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From Nordan Symposia
Jump to navigationJump to searchCreated page with 'File:lighterstill.jpgright|frame *Date: [http://www.wikipedia.org/wiki/16th_Century 1555] ==Definitions== *1 a (1) : the action or [[proc...'
[[File:lighterstill.jpg]][[File:Rotating_Sphere.gif|right|frame]]
*Date: [http://www.wikipedia.org/wiki/16th_Century 1555]
==Definitions==
*1 a (1) : the [[action]] or [[process]] of rotating on or as if on an [[axis]] or [[center]] (2) : the [[act]] or an instance of rotating something
:b : one complete turn : the [[angular]] displacement required to return a rotating [[body]] or figure to its [[original]] [[orientation]]
*2 a : return or [[succession]] in a series <rotation of the seasons>
:b : crop rotation
*3 : the turning of a [[body]] part about its long axis as if on a pivot
*4 : a [[game]] of pool in which all 15 object balls are shot in numerical order
*5 : the series of pitchers on a baseball team who regularly start [[successive]] [[games]] in turn
==Description==
A '''rotation''' is a movement of an object in a [[circular]] [[motion]]. A [[two]]-[[dimensional]] object rotates around a [[center]] (or point) of rotation. A [[three]]-dimensional object rotates around an imaginary line called an [[axis]]. If the axis of rotation is within the [[body]], the body is said to rotate upon itself, or spin—which implies [[relative]] [[speed]] and perhaps free-movement with angular [[momentum]]. A circular [[motion]] about an external point, e.g. the [[Earth]] about the [[Sun]], is called an [[orbit]] or more properly an orbital [[revolution]].
[[Category: Mathematics]]
*Date: [http://www.wikipedia.org/wiki/16th_Century 1555]
==Definitions==
*1 a (1) : the [[action]] or [[process]] of rotating on or as if on an [[axis]] or [[center]] (2) : the [[act]] or an instance of rotating something
:b : one complete turn : the [[angular]] displacement required to return a rotating [[body]] or figure to its [[original]] [[orientation]]
*2 a : return or [[succession]] in a series <rotation of the seasons>
:b : crop rotation
*3 : the turning of a [[body]] part about its long axis as if on a pivot
*4 : a [[game]] of pool in which all 15 object balls are shot in numerical order
*5 : the series of pitchers on a baseball team who regularly start [[successive]] [[games]] in turn
==Description==
A '''rotation''' is a movement of an object in a [[circular]] [[motion]]. A [[two]]-[[dimensional]] object rotates around a [[center]] (or point) of rotation. A [[three]]-dimensional object rotates around an imaginary line called an [[axis]]. If the axis of rotation is within the [[body]], the body is said to rotate upon itself, or spin—which implies [[relative]] [[speed]] and perhaps free-movement with angular [[momentum]]. A circular [[motion]] about an external point, e.g. the [[Earth]] about the [[Sun]], is called an [[orbit]] or more properly an orbital [[revolution]].
[[Category: Mathematics]]
