Understanding Axial and Radial Moments: Definition and Importance

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SUMMARY

Axial moments and radial moments are critical concepts in mechanics, particularly in understanding torque and force application. Torque is defined as the product of arm length and force, but it is not classified as a moment in the context of axial and radial moments. The discussion emphasizes that torque is a pseudovector directed axially, making it preferable to refer to it simply as a moment rather than a radial one. Examples from daily life can further clarify these concepts.

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  • Understanding of basic mechanics principles
  • Familiarity with torque and its calculation
  • Knowledge of vector analysis
  • Basic comprehension of moments in physics
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  • Research the differences between axial and radial moments in mechanical systems
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  • Explore vector analysis in relation to mechanical forces
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Shady99
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Hello can someone explain what is axial and radial moments?
 
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Yes...wanted some info otherwise
 
Thought as much. So now we come to your question: what is your question ?
 
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Is torque an axial or radial moment?
 
Torque is not a moment in the sense of the moments in the link in post #2. (You can see this from the difference in dimensions).

It is a moment in the sense of arm x force. In many languages torque and moment are synonyms.

If forced to make a choice, I would choose 'axial' instead of 'radial', but strong preference for me is on just 'moment'.
 
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BvU said:
Torque is not a moment in the sense of the moments in the link in post #2. (You can see this from the difference in dimensions).

It is a moment in the sense of arm x force. In many languages torque and moment are synonyms.

If forced to make a choice, I would choose 'axial' instead of 'radial', but strong preference for me is on just 'moment'.
Why axial and not radial
 
Torque is a pseudovector that points in an axial direction. So I would want to avoid the term 'radial' in its neighborhood: that suggests something that points perpendicular to the axis.

(I grant that this is a personal consideration, but perhaps others share it).
 
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Can you give me daily life examples of axial and radial moments for my understanding?
 

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