Quote:
Originally posted by Hawk:
Quote:
Originally posted by Mobycat:
[b]
Quote:
Originally posted by Hawk:
[b]And, yet again, I'll say that the conveyor is not working against the engines [b]AT ALL! The engines are working completely independant of the conveyor....[/b]
The conveyor HAS to be working against the engines if it's matching the plane's speed.[/b]
Dude...the only thing that can work against the engines is the air flowing through them. The conveyor is working on the wheels....[/b]
FRICTION.

You guys are completely ignoring friction.

If the engines are off, and if there was NO friction, and that conveyor belt moved, the plane shouldn't budge - it will just have rolling wheels.

But it WON'T. It WILL move backwards.
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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