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#32
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On Tue, 12 Dec 2006 14:50:04 -0800, Nomen Nescio wrote
(in article ): -----BEGIN PGP SIGNED MESSAGE----- From: "Brian" With perfect frictionless bearings it will take 0 force. If the engine is generating any thrust the airplane will move forward no matter what the treadmill does. As long as a magical massless wheel is attached to the magical frictionless bearing. There is no reason to assume that the treadmill will not fail first! So, not having enough information to determine if the treadmill will stop running before the wheels do, we cannot categorically say that the airplane will not take off because the wheels will fail. The motor of the treadmill might simply burn out first and the treadmill come to a stop. |
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