Lift and thrust... make a plane take off. Free spinning wheels - TopicsExpress

Lift and thrust... make a plane take off. Free spinning wheels will just freely spin twice as fast, as the plane still moves itself forward across the conveyer belt and takes off anyway, even though the belt is rolling just as fast in the opposing direction. In order to prevent take off youd have to move the belt fast enough that the drag from the wheels where enough to counter the forward thrust generated by the engine thereby stopping any forward movement that would generate lift. Basically the plane dosent give a shit which way the ground beneath the wheels is going nor how fast. Air speed across the wing is the only force that matters.

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