Quote:
Originally posted by MattyX:
Quote:
Originally posted by Mobycat:
The plane is not being towed. So it doesn't move against the calm air. No lift.
A plane does not need lift to move forward. It needs only to push air.[/QB]
It CAN'T move forward. It's not weightless. The conveyor belt keeps it from moving foward.

If it does move forward, the conveyor belt is failing to meet the speed.
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"Nature has constituted utility to man the standard and test of virtue. Men living in different countries, under different circumstances, different habits and regimens, may have different utilities; the same act, therefore, may be useful and consequently virtuous in one country which is injurious and vicious in another differently circumstanced" - Thomas Jefferson, moral relativist