Maglev trains use magnets on the train and guideway to levitate the train off the track. The north pole of the magnets on the train must face the.?
A. south pole of the magnets on the guideway so they repel.
B. south pole of the magnets on the guideway so they attract.
C. north pole of the magnets on the guideway so they repel.
D. north pole of the magnets on the guideway so they attract.
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