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re: Can this 747 take off?
Posted on 4/11/24 at 12:27 pm to meansonny
Posted on 4/11/24 at 12:27 pm to meansonny
quote:Why do they turn? Put your hot wheel car on a treadmill then apply force pushing the car, You would have to apply force to keep the plane from going backwards, correct? The faster the treadmill moved the more you would have to apply.
The wheels on the plane "free wheel". Just like a hot wheel car.
This post was edited on 4/11/24 at 12:29 pm
1
Posted on 4/11/24 at 12:47 pm to tigerfoot
quote:
Why do they turn? Put your hot wheel car on a treadmill then apply force pushing the car, You would have to apply force to keep the plane from going backwards, correct? The faster the treadmill moved the more you would have to apply.
How strong are you?
How much force down would it take to keep the hot wheel car stationary on the moving tread mill.
I'm not talking about any energy forward to offset the energy from the treadmill.
How much downward force would be required to keep the car stationary?
If zero force forward is required to keep the hot wheel stationary, how much force would you need to move a freewheeling hotwheel car forward and backward on the moving treadmill.
A 747 has 240,000 horsepower.
The effect of a treadmill versus that level of thrust is negligible at best.
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