Maglev trains float slightly above their guide-tracks and travel at high speeds without touching the rails.…

Maglev trains float slightly above their guide-tracks and travel at high speeds without touching the rails. Which non-contact force enables them to lift above the track?
  1. Frictional force
  2. Electrostatic force
  3. Magnetic force
  4. Muscular force

Solution

Maglev (magnetic levitation) trains use powerful magnetic repulsions to lift the train above the tracks, eliminating track friction.

Asked in: Homi Bhabha Practice

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