Tensor moment of inertia -- why is there a "-" sign?

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Discussion Overview

The discussion revolves around the presence of negative signs in the tensor moment of inertia, exploring the reasons behind these signs and their implications. Participants are questioning the definitions and conditions under which these negative signs appear, indicating a conceptual inquiry into the topic.

Discussion Character

  • Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions the necessity of a negative sign in the tensor moment of inertia.
  • Another participant notes that there are typically six negative signs and seeks clarification on which specific sign is being referenced.
  • A different participant expresses uncertainty about the meaning or conditions related to the negative signs, indicating a lack of consensus on the topic.
  • One participant suggests that the question may be better framed in terms of the definition of the moment of inertia tensor rather than the presence of the negative sign itself.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the reasons for the negative signs in the tensor moment of inertia, with multiple competing views and uncertainties remaining in the discussion.

Contextual Notes

The discussion highlights a lack of clarity regarding the definitions and interpretations of the tensor moment of inertia, as well as the conditions under which the negative signs are applied. There are unresolved questions about the implications of these signs.

taba94
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why there is a negative sign in the tensor moment of inertia??
 
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Usually, there are six negative signs. Did you have a particular one in mind?
 
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no,my question is that why there should be a negative sign in the tensor moment of inertia?
 
As it was pointed out, there are several negative signs. Which one are you talking about?
 
all of them
 
Are you asking what it represents or in what conditions that you use it? I don't know why it is there either, just trying to help clarify the question.
 
taba94 said:
why there is a negative sign in the tensor moment of inertia??

This question does not make a lot of sense. A better question would be: why is the moment of inertia tensor defined the way it is defined?
 

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