Why Is My Rotation Problem Still Unanswered?

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Homework Help Overview

The discussion revolves around a rotation problem involving the moment of inertia of a hoop, with participants attempting to clarify the specifics of the problem setup and the axis of rotation.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants are discussing the moment of inertia of a hoop and questioning the axis of rotation. There is an indication of confusion regarding the problem setup, and one participant suggests that a visual representation might aid understanding.

Discussion Status

The discussion is ongoing, with some participants offering insights into the moment of inertia while others express confusion about the problem's specifics. There is no clear consensus yet, but the dialogue is exploring different aspects of the problem.

Contextual Notes

One participant notes that the hoop's axis of rotation differs from the standard case, which may be contributing to the confusion. Additionally, there is a mention of a previous post in another forum that did not receive responses.

Ja4Coltrane
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Well, the moment of inertia of a hoop is M*R^2. So the moment of inertia of any portion of a hoop is also M*R^2 where M is the mass of that portion. Why are you making up problems, aren't there enough already? :)
 
But this hoop is not the same axis.

haha, I'm crazy, sorry.
 
Ok. My confusion suggests a picture might be nice. Everything else seems ok.
 

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