Let's have an argument - Argh it keeps recurring!
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The wheels spinning don’t make it take off. So if a plane can take off while it’s stationary why bother having a runway. -
Nah, if there's no plane then there's no physics so the whole thing is garbage. Fuck you, Gurt.
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GurtTractor wrote:The answer is -
Spoiler:n0face wrote:If the answers yes you better have a good explanation. -
I'll let this 'roll' for a bit longer before I give an explanation.
Teehee. -
If an imaginary plane crashes into some woods does it make a sound? -
Right, so could I stand next to this plane, watch it accelerate to takeoff speed yet still be in the same place, then it just lifts off from what appears to be a standing start?
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Physics definitely existed before planes.Unlikely wrote:Nah, if there's no plane then there's no physics so the whole thing is garbage. Fuck you, Gurt.
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Diluted Dante wrote:Right, so could I stand next to this plane, watch it accelerate to takeoff speed yet still be in the same place, then it just lifts off from what appears to be a standing start?
No. -
I've edited in the clarifications. Turns out it's pretty hard to formulate the question in a way that it won't be misunderstood.
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Diluted Dante wrote:Right, so could I stand next to this plane, watch it accelerate to takeoff speed yet still be in the same place, then it just lifts off from what appears to be a standing start?
If you flap your arms at the same time, you’ll take off too. -
Then I don't understand the scenario. If you move the plane and what it's on at precisely the same speed in opposite directions, how does it move?
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Diluted Dante wrote:Then I don't understand the scenario. If you move the plane and what it's on at precisely the same speed in opposite directions, how does it move?
Think about the purpose of the wheels on a plane. -
The conveyer belt is also on wheels and going at 200kmph down a runway. -
The explanation for this is going to be really fucking dumb.
EDIT: Like that. -
It's not a trick question, it is a possible physics experiment that could be done in real life.
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Its all in the wording.
I'm not a physics big brain but acceleration and speed being different things is key. -
If you've phrased it correctly, then unless the giant treadmill is somehow also moving massive amounts of air with it, then no, it doesn't make sense.
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GurtTractor wrote:
Think about the purpose of the wheels on a plane.Diluted Dante wrote:Then I don't understand the scenario. If you move the plane and what it's on at precisely the same speed in opposite directions, how does it move?
This is what I thought of when I thought of the correct answer. Bestest biggly brain. -
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Send messageGurtTractor wrote:Imagine a plane standing on a giant conveyor belt runway, the conveyor is programmed to move backwards at exactly the same speed as the plane moves forward relative to the ground on the sides of the conveyor. Can the plane take off?
FAB
retroking1981: Fuck this place I'm off to the pub. -
Sounds like theoretical bullshit. Wheels are there to allow the plane to move down the runway at sufficient speed for airflow to add lift to the wings to get the plane off the ground. Moving it backwards at the same speed leaves it in place so no airflow. And if Mythbusters haven’t done this but just posited it then it’s crap. -
this went on for like 50 pages on rllmuk, plz not again -
The Mythbusters have indeed put this to the test. I'll post the clip in a bit. Keep thinking about it.
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The principles of flight state no.Not everything is The Best or Shit. Theres many levels between that, lets just enjoy stuff.
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The plane cannot take off if it's not moving relative to the air, which it isn't."Plus he wore shorts like a total cunt" - Bob
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Someone get Elm in here so he can facepalmNot everything is The Best or Shit. Theres many levels between that, lets just enjoy stuff.
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I changed my mind and did some science and yes it can take off, after all, I am iq 8000
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Consider me facepalming.
If it’s a trick on words, fair enough; but lift generated is directly proportional to the square of the wing’s velocity relative to the air around it, so that’s all that matters; how fast is the wing moving through the air. If the conveyor’s like a treadmill so it isn’t moving relative to the air (as in rolling forwards) it won’t fly.
If you had a 200mph wind screaming down a runway, then a jet could face into that, and fly quite happily.
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