What happens to objects hovering when the environment moves around them?

Question by KW: What happens to objects hovering when the environment moves around them?
For example, If I were to take a remote control helicopter on a stationary tube train then make it hover...what would happen when the tube train begins to move?

Best answer:

Answer by americanmacbrian
If you were in a vacuum it couldn't fly, so lets assume something not a helicopter.

A magnet is levitating above a track on the floor (like maglev trains)

If the train compartment that the hovering magnet were in was a vacuum, the magnet would stay "still" as the train moved off until it hit the back of the moving train carriage.

Now, with your helicopter you have to see that the air in the train carriage is accelerated along with the train, this will start to drag the helicopter along too. In general though the helicopter would still move toward the back of the accelerating carriage, but it would start to move along with it due to the movement of the air too.

Try it, it could be fun.

What do you think? Answer below!

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