Difference between revisions of "Work"

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'''Work''' is defined as the amount of [[force]] over a period of [[time]]. The [[SI]] unit of work is the [[Joule]]. If <math>W</math> is work, <math>F</math> is force, and <math>d</math> is the [[distance]], then:
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Intuitively, the amount of work you do (say, in lifting an object) depends on both the amount of force you exert and the distance over which you have to exert this force. In the case of a constant force <math>F</math> exerted over a distance <math>d</math>, the amount of work done is defined to be:
  
 
<cmath>W=F\cdot d</cmath>
 
<cmath>W=F\cdot d</cmath>
  
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The [[SI]] unit of work is the [[Joule]].
 
==See Also==
 
==See Also==
 
*[[Force]]
 
*[[Force]]

Revision as of 19:36, 25 February 2008

Intuitively, the amount of work you do (say, in lifting an object) depends on both the amount of force you exert and the distance over which you have to exert this force. In the case of a constant force $F$ exerted over a distance $d$, the amount of work done is defined to be:

\[W=F\cdot d\]

The SI unit of work is the Joule.

See Also

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