Angular moment

  • Thread starter nebbione
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  • #1
nebbione
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Hi everyone! Which is the formula and the proof of the projection of the angular momentum of a rigid body along the rotation axis?

I searched on the web and on my mechanics book but cannot find anything... does somebody know this curiosity ?
 

Answers and Replies

  • #2
Nessdude14
172
2
If I'm not mistaken, you're looking for a general formula for the angular momentum of a rigid body?

Angular momentum (L) is given by:
[itex]\displaystyle L=Iω[/itex]
ω is angular velocity
and the moment of inertia (I) of a rigid body is given by:
[itex]\displaystyle I = \int^{m}_{0}r^{2}\delta m[/itex]
m is the mass of the rigid body, and r is the radius from the axis of rotation

So the angular momentum of a rigid body is:
[itex]\displaystyle L = ω \int^{m}_{0}r^{2}\delta m[/itex]
 
  • #3
nebbione
133
0
Thank you very much!
 

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