contestada

Maglev trains use magnetic PE to help them move along the track. Which statement below shows how they do this?
A.The magnets in the train and the track repel
B. The magnets in front of the train pull the train forward
C.The magnets behind the train push the train forward
D.All of above

Respuesta :

Answer:

D

Explanation:

The magnets on the track and train are temporary magnets. When turned on, they repel each other. The coils in front of the train use magnetic force to pull the train forward. The coils behind the train use magnetic force to push the train forward.