Calculating the theoretical force of repulsion between two magnets

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Homework Help Overview

The discussion revolves around calculating the theoretical force of repulsion between two magnets, focusing on the complexities involved in the relationship between distance, orientation, and size of the magnets.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants explore the factors affecting magnetic force, including distance and orientation. There is a discussion about the appropriate mathematical relationships, with some questioning the nature of the force's dependence on distance.

Discussion Status

The discussion is ongoing, with participants sharing insights about the complexity of the formulas involved and clarifying misconceptions regarding the relationships between force and distance. Multiple interpretations of the mathematical relationships are being explored.

Contextual Notes

Participants note that the general formula for the force between magnets is complicated and that the commonly referenced formulas may not fully capture the nuances of real-world scenarios.

B-RY
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Homework Statement
I have been asked to complete a student experiment in which I decided to describe the inverse exponential relationship between the force of repulsion and the distance between two magnets.

I was wondering whether it be possible to calculate the theoretical value for the force at each distance?
Relevant Equations
I found this formula on the internet: F=K((m1m2)/((mu)xr^2))
Any help would be much appreciated! Thanks
 
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Not only distance but relative NS direction angle and even size of magnet matter. The general formula between the magnets is rather complicated. The formula you referred is force between hypothetical magnet charges as if N and S were separable. https://en.wikipedia.org/wiki/Force_between_magnets shows some examples of various configurations.
 
Thankyou!
 
B-RY said:
the inverse exponential relationship between the force of repulsion and the distance between two magnets.
Inverse exponential!?
Inverse quadratic maybe.
 
haruspex said:
Inverse exponential!?
Inverse quadratic maybe.
Inverse square. My bad.
 

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