Attraction and Repulsion Forces Between Magnets

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Homework Help Overview

The discussion revolves around calculating the attraction and repulsion forces between two Neodymium magnets, specifically focusing on their dimensions, grade, and distance apart. The original poster expresses difficulty in finding a clear method or equation for these calculations, noting that the science appears vague.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the relevance of superposition in understanding magnetic forces and question the availability of equations applicable to non-steel magnets. There is a focus on the need for clarity regarding the forces at a distance.

Discussion Status

The discussion is ongoing, with participants exploring different aspects of the problem. The original poster has clarified that this is not a homework problem and has sought additional insights in a different forum. Some guidance regarding superposition has been mentioned, but no consensus or definitive approach has emerged yet.

Contextual Notes

The original poster has indicated that they have conducted research but have not found satisfactory equations or responses from external sources. This context suggests a gap in available information on the topic.

eek3386
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How do you calculate the attraction and repulsion forces between two magnets? I know it depends on many factors, so for example: two 0.5"x0.5"x0.25" Neodynium magnets with a grade of 42 (Br = 13200 Gauss) that are 0.25" apart from each other (only air is separating them).

Thanks for any help in advance!

edit: **This is not a homework problem. After much research, I have been unable to find a way to calculate the forces between two magnets. It seems a lot of the science behind it is vague as of now. I have found one website that calculates these forces, but they don't list equations that are used. I tried to contact the company, but they haven't responded to me. I was wondering if anyone else had more insight into this.**
 
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Is this a homework problem? If so you need to tell us some of your thoughts before we can help out. If not, perhaps you could repost in the general physics section (since you are free to get answers to hypothetical problems and questions there).

Superposition might be a good start.
 
It's not a homework problem. I reposted it in the general physics forum with some additional info.
 
In regards to superposition, I haven't found a good equation for the force from a magnet at a distance. I've found one for the force from a magnet on steel at a distance. However, the magnets I'm trying to use are not composed of steel.
 
Anyone able to help?
 

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