<p>The whole point is that they can be moving at equal speeds, but still have net movement occur because of the wheels. If the problem was with a car rather than a plane, then the car couldn’t takeoff, and the sliding runway setup would work.</p>
<p>The whole point is that they can be moving at equal speeds, but still have net movement occur because of the wheels. If the problem was with a car rather than a plane, then the car couldn’t takeoff, and the sliding runway setup would work.</p>