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Originally Posted by xoxoxoBruce
Nope, the engines push the plane through the atmosphere (air):
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That's just what the engines
don't do in the case of the treadmill plane. They aren't moving it through the atmosphere. It's stationary with respect to the air around it, therefore no flow, therefore no lift.
If you run on a treadmill, does air flow past your face (assuming no fan!)?