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Levitation. Maglev trains have no contacts with the rails while they move forward. They are levitated on the guide-way with the help of magnetic forces. Levitation is the process by which an object is suspended against gravity in a stable position without any physical contact.
It is a magnetic levitation train system developed by the Japan Railway Technical Research Institute (association of Japan Railway Group), composed of a maximum 5 cars to run on the Yamanashi Maglev Test Line which is 30km in length.