Understanding Axial and Radial Moments: Definition and Importance

In summary, axial and radial moments refer to different types of moments in physics. Axial moments describe torque, which is a pseudovector that points in the same direction as the axis. On the other hand, radial moments refer to moments that are perpendicular to the axis. Examples of axial moments in daily life include twisting a screwdriver or opening a door, while examples of radial moments include turning a steering wheel or using a wrench to tighten a bolt.
  • #1
Shady99
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Hello can someone explain what is axial and radial moments?
 
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  • #3
Yes...wanted some info otherwise
 
  • #4
Thought as much. So now we come to your question: what is your question ?
 
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  • #5
Is torque an axial or radial moment?
 
  • #6
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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  • #7
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
 
  • #8
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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  • #9
Can you give me daily life examples of axial and radial moments for my understanding?
 

1. What is an axial moment?

An axial moment is a measure of the distribution of force along the axis of a structure or system. It is calculated by multiplying the force by the distance from the axis of rotation.

2. What is a radial moment?

A radial moment is a measure of the distribution of force perpendicular to the axis of a structure or system. It is calculated by multiplying the force by the distance from the center of rotation.

3. How are axial and radial moments different?

Axial and radial moments measure forces in different directions. Axial moments are parallel to the axis of rotation, while radial moments are perpendicular. Additionally, axial moments affect the stability and strength of a structure, while radial moments affect its bending and twisting.

4. Why are axial and radial moments important?

Axial and radial moments are important because they help engineers and scientists understand the forces acting on a structure or system. This information is crucial for designing and analyzing structures to ensure their stability and safety.

5. How are axial and radial moments used in real-world applications?

Axial and radial moments are used in a variety of real-world applications, such as designing bridges, buildings, and other structures. They are also used in mechanical and electrical systems to ensure their functionality and safety. Additionally, axial and radial moments are important in fields such as biomechanics and aerospace engineering.

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