Question

How does a maglev train move forward?(1 point)
Responses

Magnets in front of the train constantly pull magnets in the train toward them.
Magnets in front of the train constantly pull magnets in the train toward them.

Magnets behind the train constantly push magnets in the train forward.
Magnets behind the train constantly push magnets in the train forward.

Magnets in the sides of the tracks constantly repel and attract magnets in the sides of the train.
Magnets in the sides of the tracks constantly repel and attract magnets in the sides of the train.

The magnets that cause the train to levitate constantly switch on and off.
The magnets that cause the train to levitate constantly switch on and off.

Answer 1

Magnets in the sides of the tracks constantly repel and attract magnets in the sides of the train.

(Propulsion is by a linear motor: track coils are energized in a moving sequence to create a travelling magnetic field that pulls/pushes the train forward; levitation is handled separately.)