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Why using magnets, not wheels, allows this train to defy gravity and reach record speeds without an engine.Key facts
- The Maglev train in China does not have an engine. Instead it uses electromagnets.
- Magnets allow the Maglev train to levitate above the track.
- The Maglev train encounters less friction and so can reach greater speeds.
- The Maglev train can reach a top speed of 581 km/h.
Transcript
Shinkansen Bullet Train
In Japan, the Shinkansen bullet train hurtles between cities.
Top speed 443 km/h
Although built for speed and comfort, this thoroughly modern train is still affected by friction.
As the train is propelled forward, the wheels push against the track.
Friction:
Resistive force
Between surfaces moving at different speeds
Opposes motion
The train has to ...
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