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ADNAN MUHAMMED

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If all the particles lies the xy plane is it necessary that the centre of mass must lie in the xy plane

If all the particles lies the xy plane is it necessary that the centre of mass must lie in the xy plane

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Yes, the centre of mass lies in the same plane in which the body lies. This is because, the com has the same no. of co-ordinates as the no. of dimensions of the plane : For X-Y plane, Xcom = Sum(mixi)/Msys and Ycom = sum(miyi)/Msys and 
Zcom = sum(mizi)/Msys = 0 as zi = 0. Thus, com necessarily lies in X-Y Plane.

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