A maglev train is a train that floats above its track using magnetic levitation. Since it has no wheels, there is no friction between the train and the track. Suppose a force is applied to the train to set it in motion, and then the force is removed. Neglecting air drag, what will happen to the train after the force is removed?

A. It will slow to a stop after the force is removed.

B. The train will not accelerate once the force is removed.

C. Both the acceleration and the force will decrease slowly over time.

D. It will continue to accelerate until a force is applied in the opposite direction of the initial force.

Question

Toby Greene

27 April, 20:55

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Serena Valencia · Answer 1

It would be D because Newton's law of inertia states: things in motion, tend to stay in motion unless otherwise acted on by another force.