Something amazing to tell you concerning physics and motion

[Fish]

Originally Posted by orange

It simply does not matter. If you're moving forward while in contact with the ground, your wheels are turning. ALL of your forward motion on the ground goes through the wheels. And ALL of it will be negated by a treadmill which can spin freely.

How does a plane move forward through the air, once it is off the ground? What gives it forward motion if the wheels are not passing all forward motion on the ground? How do you explain forward motion without the ground contact you are defending?

By your definition, the plane should not be able to progress once the forward motion on the ground is no longer going through the wheels....