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Originally Posted by SS4EVER
You were right the first time, it will not take off. Just like driving a car onto a dynometer. The rollers match the speed of the wheels...eventually. They use the tiedowns and straps for safety reasons but basically the car cannot move forward. Now think of the planes wheels rotating faster and faster (the linear acceleration is transfered from the thrust of the engine to the wheels) while the conveyor matches the acceleration. Of course with no forward motion there will be no lift. Like serveral posters replied, 0 mph = no lift.
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No because on a car the wheels are what is providing power but on a plane the thrust is not giving the wheels power, the wheels just move in response. Think of it like this, your on a treadmil where rollarblades, and the treadmile moves as fast as you in the oppisite direction. Now say you have a rocket tied to your back, do you really think the thrust from the rocket isn't going to power you foward?