Lissafi karfin juyi, karfi ko matsayi vector
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Force (F):
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Position vector (r):
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Karfin juyi (τ): |
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Haifar da:
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Karfin juyi, lokacin, ko lokacin da karfi ne hali da wani ƙarfi a juya wani abu game da wani axis, fulcrum, ko pivot, aka bayyana a matsayin giciye samfurin na matsayi vector na nufi inda karfi ne amfani distance vector da karfi vector, wanda o ƙarin tabbatar da nuna juyawa.
Lokacin da karfi dabara
 ,
inda r - matsayi vector, F - karfi
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