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The only possible speeds that the belt can match the wheels are zero and infinity. Thereīs no inbetween, so itīs pointless to talk about friction.


Wrong. I know I was saying the same thing earlier in the thread, but it's not true. The belt always matches the wheels. The wheels have a mechanical limit to how fast they will spin due to friction, etc... The two speeds are 0 and the limit of the wheels.


Well I figured if we have a magical conveyor belt that can accelerate to infinity then the airplane wheels could be frictionless.

The point is that the conveyor belt is impossible to build. Either something will break (the belt or the airplane wheels) or the wheels will turn faster than the belt, which means the belt failed its task.

The whole problem is a catch-22.