How are moments defined and used in physics?

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In summary, a moment in physics refers to the force acting on a lever arm that may cause rotation around an axis. It can also refer to the perpendicular distance from a point to a line or surface. The concept of moment is often used in combination with other physical quantities such as moment of inertia, moment of force, moment of momentum, and magnetic moment.
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princejan7
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moment of a force, magnetic moment, moment of momentum etc

what is a moment in general?
 
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  • #2
A moment is a force acting on a lever arm that will try to cause a rotation about an axis. Some people like to use the word torque instead.
 
  • #3
See this:
http://en.wikipedia.org/wiki/Moment_(physics )
In physics, moment relates to the perpendicular distance from a point to a line or a surface, and is derived from the mathematical concept of moments.[1] It is frequently used in combination with other physical quantities as in moment of inertia, moment of force, moment of momentum, magnetic moment and so on.
 
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Related to How are moments defined and used in physics?

1. What is a moment?

A moment is a specific point in time that has significance or relevance. It can refer to a brief period of time, an event, or a feeling.

2. How is a moment measured?

A moment is typically measured in seconds, minutes, or hours, depending on the context. For example, a moment in a person's life may refer to a few seconds or minutes, while a moment in history may refer to several hours or even days.

3. Can a moment be subjective?

Yes, a moment can be subjective. This means that the significance or relevance of a moment can vary from person to person. What may be a significant moment for one person may not hold the same weight for another.

4. Is a moment the same as a memory?

No, a moment and a memory are not the same. A moment refers to a specific point in time, while a memory is a recollection or representation of a past moment or event. A moment can become a memory, but not all moments are remembered.

5. How do moments impact our lives?

Moments can have a significant impact on our lives. They can shape our memories, influence our decisions, and contribute to our overall experiences. Some moments may be fleeting and insignificant, while others can be life-changing and unforgettable.

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