Registered: 12/09/00
Posts: 8374
Loc: the hue of dungeons and the sc...
Quote:
Originally posted by XPLORx4:
Quote:
Originally posted by Mobycat: [b]So, if there is friction, the plane will roll backwards?
Can the plane match the force with its engines?
What if it can't do anything *beyond* matching it?
If there's friction in the wheel bearings, then yes, the plane will roll backwards.
Can the plane match the force with its engines!? I should hope so! Otherwise it needs bigger engines![/b]
And the last question? What's your answer?
_________________________ "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