IEVref:113-03-20ID:
Language:enStatus: Standard
Term: impulse
Synonym1:
Synonym2:
Synonym3:
Symbol: I
Definition: vector quantity equal to the integral of force F with respect to time t, thus I= ∫ t 1 t 2 F dt MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaahMeacqGH9aqpda WdXaqaaiaahAeaaSqaaiaadshadaWgaaadbaGaaGymaaqabaaaleaa caWG0bWaaSbaaWqaaiaaikdaaeqaaaqdcqGHRiI8aKqzafGaaeizaO GaamiDaaaa@4404@ over a time interval [t1, t2]

NOTE 1 For a time interval [t1, t2], impulse is equal to the change of momentum p, thus I = p(t2) − p(t1) = Δ p.

NOTE 2 In French, the term "impulsion" has also another meaning corresponding to English "pulse".

NOTE 3 The coherent SI unit of impulse is newton second, N⋅s.


Publication date:2011-04
Source
Replaces:
Internal notes:2014-07-07: Symbol <i>I</i> corrected to <b><i>I</i></b>. JGO

2017-06-02: Cleanup - Remove Attached Image 113-03-20en.gif
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