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Homework Help: Magnetic field strength

  1. Feb 28, 2010 #1
    1. The problem statement, all variables and given/known data
    Magnet A has twice the magnetic field strength of magnet B and at a certain distance pulls on magnet B with a force of 55 N. With how much force, then, does magnet B pull on magnet A?



    2. Relevant equations
    unknown



    3. The attempt at a solution
    unknown
     
  2. jcsd
  3. Feb 28, 2010 #2

    Delphi51

    User Avatar
    Homework Helper

    Look up Newton's Third Law.
     
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