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Area Physics for electrotechnology / Mechanics

IEV ref113-03-12

en
centre of mass
centre of gravity (deprecated)
for a continuous body in a domain D, with mass density ρ(r), point with position vector r G = D rρdV D ρdV MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaahkhadaWgaaWcba qcLbqacaqGhbaaleqaaOGaeyypa0ZaaSaaaeaadaWdraqaaiaahkha cqaHbpGCjugqbiaacsgakiaadAfaaSqaaKqzaeGaaeiraaWcbeqdcq GHRiI8aaGcbaWaa8qeaeaacqaHbpGCjugqbiaacsgakiaadAfaaSqa aKqzaeGaaeiraaWcbeqdcqGHRiI8aaaaaaa@4C6B@

NOTE 1 For a system of particles with masses mi and position vectors ri, the centre of mass is the point with position vector r G = i m i r i i m i MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaahkhadaWgaaWcba qcLbmacaqGhbaaleqaaOGaeyypa0ZaaSaaaeaadaaeqaqaaiaad2ga daWgaaWcbaGaamyAaaqabaGccaWHYbWaaSbaaSqaaiaahMgaaeqaaa qaaiaadMgaaeqaniabggHiLdaakeaadaaeqaqaaiaad2gadaWgaaWc baGaamyAaaqabaaabaGaamyAaaqab0GaeyyeIuoaaaaaaa@48E8@ .

NOTE 2 In non-relativistic physics, the centre of mass doesn’t depend on the chosen reference frame.


fr
centre de masse, m
centre d'inertie, m
centre de gravité, m (déconseillé)
pour un corps continu dans un domaine D, de masse volumique ρ(r), point de rayon vecteur r G = D rρdV D ρdV MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaahkhadaWgaaWcba qcLbqacaqGhbaaleqaaOGaeyypa0ZaaSaaaeaadaWdraqaaiaahkha cqaHbpGCjugqbiaacsgakiaadAfaaSqaaKqzaeGaaeiraaWcbeqdcq GHRiI8aaGcbaWaa8qeaeaacqaHbpGCjugqbiaacsgakiaadAfaaSqa aKqzaeGaaeiraaWcbeqdcqGHRiI8aaaaaaa@4C6B@

NOTE 1 Pour un système de particules de masses mi et de rayons vecteurs ri, le centre de masse est le point de rayon vecteur r G = i m i r i i m i MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiaahkhadaWgaaWcba qcLbmacaqGhbaaleqaaOGaeyypa0ZaaSaaaeaadaaeqaqaaiaad2ga daWgaaWcbaGaamyAaaqabaGccaWHYbWaaSbaaSqaaiaahMgaaeqaaa qaaiaadMgaaeqaniabggHiLdaakeaadaaeqaqaaiaad2gadaWgaaWc baGaamyAaaqabaaabaGaamyAaaqab0GaeyyeIuoaaaaaaa@48E8@ .

NOTE 2 En physique non relativiste, le centre de masse ne dépend pas du référentiel choisi.


ar
مركز الكتلة
مركز الثقل

de
Massenmittelpunkt, m
Schwerpunkt, m
Gravitationszentrum, n, (abgelehnt)

es
centro de masa
centro de gravedad (desaconsejado)

fi
massakeskipiste

it
centro di massa

ja
質量中心
重心, (非推奨)

pl
środek masy
środek ciężkości (termin niezalecany)

pt
centro de massa

sv
masscentrum
tyngdpunkt (ej rekommenderad)

zh
质心

Publication date: 2011-04
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