Maximum magnetic force produced by ferrous material

AI Thread Summary
In a scenario where a block of iron with mass "m" is subjected to an infinitely strong magnetic field "B," the force exerted by the iron block on an immovable wooden interface is questioned. The discussion suggests that the force could be infinite due to the nature of the magnetic field's strength. Participants explore the implications of this theoretical situation, considering the limits of physical laws. The connection to previous discussions on magnetic forces highlights the complexities involved in such extreme conditions. Ultimately, the conversation emphasizes the challenges of calculating forces in hypothetical scenarios involving infinite variables.
anorred
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Lets say you have a block of iron with a mass "m" exposed to an infinitely strong magnetic field "B." If there was a strong wooden interface preventing this iron block from moving towards the magnetic field source, how can you calculate the force the iron block would exert on the wooden board?
 
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Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

So here is the motional EMF formula. Now I understand the standard Faraday paradox that an axis symmetric field source (like a speaker motor ring magnet) has a magnetic field that is frame invariant under rotation around axis of symmetry. The field is static whether you rotate the magnet or not. So far so good. What puzzles me is this , there is a term average magnetic flux or "azimuthal mean" , this term describes the average magnetic field through the area swept by the rotating Faraday...
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