#166028 - 30/12/0608:33 AMRe: Know that if you do not post in this thread today the human race may cease to exist
Anonymous
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Quote:
Originally posted by Mobycat:
Quote:
Originally posted by MattyX: [b]If, however, you applied an external force to the car, like a big-ass fan, then the car would move over the ice.
You have just added a second power source.
The plane does NOT have a second power source.[/b]
Right, but the plane does not create its movement by pushing against the ice/ground. Put a plane on that same frictionless ice and it will still move whenever it wants to, because it moves by pushing the air, not the surface.