- #1
fisselt
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I'm working on a lab where I have to go into some detail about moment of inertia. I understand the concept and everything but am a little confused by the equation that I found on wikipedia.
I've seen only two equations for this: momentum=torque divided by angular acceleration and
one specifically for a disk: I=.5MR2
On wikipedia I they have the equation: T=ml2[itex]\omega[/itex]2
Wikipedia makes sense to me because I understand that as radius decreases momentum decreases at constant angular velocity. Neutron stars for instance maintain similar inertia at reduced radius but much higher angular velocity.
Are all 3 ways true?
I've seen only two equations for this: momentum=torque divided by angular acceleration and
one specifically for a disk: I=.5MR2
On wikipedia I they have the equation: T=ml2[itex]\omega[/itex]2
Wikipedia makes sense to me because I understand that as radius decreases momentum decreases at constant angular velocity. Neutron stars for instance maintain similar inertia at reduced radius but much higher angular velocity.
Are all 3 ways true?