Quote:
Originally posted by NY Madman:
....The plane is moving. However... once the conveyor and the plane's speed are matched exactly... to an outside observer the plane would "appear" to be stationary. Remember... "appear" stationary.

Are we at least on the same page regarding that fact?
Heck no!

The plane moves absolutely!

It's thrusters push against the atmosphere.

Please read above!

F = ma

a = F/m