What does the g stand for when computing moment of inertia

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Discussion Overview

The discussion revolves around the meaning of "g" in the context of computing moment of inertia, particularly in relation to physical pendulums and gravitational fields. Participants explore its implications in experimental setups and theoretical formulations.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested, Experimental/applied

Main Points Raised

  • One participant questions whether "g" refers to the acceleration due to gravity, specifically 9.80 m/s², in the context of moment of inertia.
  • Another participant suggests that if the formula pertains to a physical pendulum in a gravitational field, then "g" indeed represents the strength of the gravitational field.
  • A different participant presents a formula, I=mghT²/4π², and notes a potential correction regarding the notation of 4π², indicating it should be 4pi².
  • One participant concludes that the formula likely relates to the period of a physical pendulum, reinforcing the idea that "g" is gravity.

Areas of Agreement / Disagreement

Participants express differing views on the interpretation of "g," with some affirming it as gravity while others focus on its application in specific contexts. The discussion remains unresolved regarding the precise definition and implications of "g."

Contextual Notes

There are potential limitations in the assumptions made about the formula's application to physical pendulums and the definitions of terms used, which are not fully clarified in the discussion.

Kevinh
What does the "g" stand for when computing moment of inertia

What does the "g" stand for when computing moment of inertia, does it stand for gravity 9.80 m/s^2 or what. Thanks.
 
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What is e here?

If this formule is about physical pendulum in gravitational field, then g is gravity (strength of gravitational field) in the vicinity of pendulum.
 
I=mghT^2/4pie^2

4pie^2 should be 4pi^2 I guess. This is an experiment where different objects are being placed on a knife edge through the object to test for experimental interia compared to calculated inertia.
 
Seems to me like a formula for period of physical pendulum. Then g is gravity indeed.
 

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