Recent content by hernowo

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    Undergrad Permanent Magnet vs Electromagnet Attraction

    Force exerted on iron beetwen repelling magnet Force to an iron between 2 magnets Two magnets (A and B)has the same pulling energy @ 50 lbs. Put face by face on the same north poles (in repelling mode) within 10 mm distance. If a 3 mm bar iron strip/steel trip put in the middle of these 2...
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    High School Magnetic field of permanent magnet

    Force to an iron between 2 magnets Two magnets (A and B)has the same pulling energy, say 50 lbs. Put face by face on the same north poles (in repelling mode) in 10 mm distance. If a 3 mm bar iron strip/steel trip put in the middle of these 2 magnets, What will the forcstrip irone exerted on...