Jolie builds a model of a maglev train. she uses disc
magnets to levitate the train. a disc magnet has its north and
south poles on its faces, as shown.
what is the best way to arrange the magnets on the train
and on the track so that the model train levitates?
flat, so that the north pole of each magnet on the train
points up and the north pole of each magnet on the track
points up
flat, so that the north pole of the magnets on the train point
up and the north poles of the magnets on the track point
down
on edge, so that the north poles of the magnets on the
train point to the front and the north poles of the magnets
on the track point toward the rear
on edge, so that the north pole of each magnet on the
tra and on the track point toward the rear of the train