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fluidistic

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In Boas' book I can read that the definition of center of mass of a body has coordinates [itex]x_{CM}= \int x_{CM}dM= \int x dM[/itex].

Shouldn't it be this same integral but divided by M?!

Also, I didn't find the definition of center of mass for particles or any non continuous bodies.

I'd be grateful if someone could point me what I'm missing.

Edit: I forgot to say it's on page 210 in the 2nd edition.

Shouldn't it be this same integral but divided by M?!

Also, I didn't find the definition of center of mass for particles or any non continuous bodies.

I'd be grateful if someone could point me what I'm missing.

Edit: I forgot to say it's on page 210 in the 2nd edition.

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