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Why wouldn't this idea work?

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Thread replies: 121
Thread images: 25

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Why wouldn't this idea work?
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why do you think retard
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>>17800762
stand in a bucket and try to pull yourself up by the straps, it's the same concept. Go on to patent and win your Nobel prize.
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Make a hot wheels version and Ill Go Fund you my life savings
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it's possible but the jews have you convinced otherwise
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>>17800762
The magnets will attract each other. The one on a more flexible mounting with will move closer to the other one, so the boom will flex a little. There won’t be any movement relative to the ground, because why would there be?
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>>17800762
You know, this is actually one of the most well-drawn versions of this design I've seen. Props for that.
Now that that's out of the way, you're retarded.
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>>17800762
Newtonian physics make it impossible bro.

Equal and opposite.

The lead magnet being pulled by the trailing magnet, will exert the equal pull to the car, which the trailing magnet is attached.

<--->
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What if you made the magnet in front an electromagnet with greater polarity???
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fucking magnets how do they work
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Please tell me you're serious. That will make this funnier.
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>>17800842
Then you'd be inputting energy which would kind of defeat the concept of this car.
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Sit in a wagon, and pull your left arm with your right towards the direction you want to go.
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>>17800762
Version 2. This must work!
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Magnets won't work but optical lenses might.
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>>17801027
It would, but it wouldn't save any energy. Car 1 would have to work way harder than normal.
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The car is attached to the magnet, the boom is holding it back from moving to the magnet.
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>>17801037
So you make the front car invisible, free energy for car in front!
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>>17800762
guys... guys what if we used the exhaust gas to push a sail to make the car go forwards
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>>17801049
technically it's already done with turbos.
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The answer is nuclear energy.
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>>17801027
you would need ENORMOUS magnets for this to work, and then what happens if you stray too close to a crash barrier or lamp post? you'd be up fucked-in-the-ass creek without lube.
>>
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>>17801159
fucking kek
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>>17801027
Yes, it would work exactly like a tow strap. Just way more complicated and expensive, while equally dangerous.
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>>17801049

Thats literally how turbos work
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>>17800762
Because the magnet on the car will infinitely pull the hanging magnet backwards. Congratulations, you've just reversed back into your garage wall.
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This is what your autism mobile would look like.
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>>17801027
Wait a minute. Why haven't auto makers used this to prevent rear end collisions?
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>>17801059
>>17801245
are you fucking dense?
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>>17800820
Because the magnet pulls the other one, thus moving the car.
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>>17801417
>>17801410
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>>17800836
So just put a bigger, stronger magnet on the front part so that it pulls the other one more. Obviously equal sized magnets wouldn't work.
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>>17800762
It's like I'm on an old /b/ troll physics thread
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Why does this not work
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>>17800762
seems like a lot of work and plus it makes your car look stupid

free energy is achievable by simply mounting the front wheels lower than the rear but the reptilians will have you believe it's a stupid idea
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>>17801477
cuz dem magnits weigh less than the metal plate.
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>>17801477
This would work with strong enough magnets and low gravity.
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Because you're too fat
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>>17801505
>>17801477
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>>17801410
crowdfund it
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>>17801498
>>17801477
maybe for a few seconds after it ripped your legs off.

Not sure if you guys are trolling or just cant into basic physics
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>>17801418
Because it would only repel front to rear, front to front and vice versa would attract like a motherfucker due to polarity.
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>>17801427
that would only work if both magnets weren't attached to the car dickhead
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>>17801427
Or does the car just pull the hanging magnet towards it?
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>>17801410
>>17801417
>someone took the time to model OPs autism in 3D
lmao
>filename
double lmao
>>
>>17802027
It doesn't even look the same.
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>>17800762
Well you see

Meow meow meow, meow meow meow. Meow meow, meow meow meow meow! Meow meow (meow meow meow meow) meow.
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>>17800762
This would work but you could only travel north and south because of the way magnets work, so you need to work on it some more.
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>>17800762
Tha....that....okay.

Even though that is fucking retarded, it actually looks convincing enough to be a working model because the way you depicted it is so well done.
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>>17800762
If you do this with magnets in your hand why don't you just fly off into the atmosphere.
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Guise, I worked it out! OP was on the right track.

There's a pivot and a hydraulic cylinder, like on a digger arm. Hydraulic makes the magnet swing back and forth, creating magnetic wave pulses that jerk the car forwards.

Instead of being a copyright jew, I give this away for free.
>>
I sent this picture to the head of the physics department at my school and asked him if it was possible.

He told me to build a model with a Hot Wheels and publish my results.
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>>17802215
that... might actually work...
anon...
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>>17801771
But what if all the bumpers front and back were the same polarity
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>>17802215
You'd need a motor to run the hydraulics tho
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>>17802732
hmmm you may be on to something here...
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>>17801410
>>17801417
All I see is sonic
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so i guess this is the car equivalent of an airplane on a treadmill?

rly meks u thenk
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>>17801032
Ok sidebar
If the full curve effect diagram shows the one "beam" bending around the moon. Wouldn't the distorted rays, waves, individual photons, lines whatever you want to call them. Wouldn't they have a stacking effect? As in the celestial object causes the light in it's immediate path to deflect around, wouldn't the deflection cause a domino effect distorting all light on plane with the object.
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>>17801410
>>17801417

Don't joke about this shit. This might be what cars actually look like in the future.
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>>17802751
pedals might work to.
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>>17802996
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>>17801188
I guess WAT sells tow straps now
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>>17800762
What if we put magnets in the road?
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>>17804582
NO. Holy fuck no it can't.

The thing that creates lift is the air flowing over the wings.
Also the engines move the plane in respect to the solid ground, not a treadmill, so the wheels would just be spinning twice as fast as the plane moves forward on the treadmill.
If the treadmill was as long as a normal runway and the plane started at the back, it would take off at the front as if it was a normal runway. The wheels are only a structure to hold the plane off the ground. They supply zero thrust.
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Didn't we have a thread on solar panel car last week? Are more threads coming like this? It sure seems fun because all here are discussing science which is awesome.
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>>17804718
Reddit must go
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>itt: people who have never seen troll physics threads before
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>>17801159
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>>17800762
>wouldnt
Thats how airplanes work retard
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>>17804687
I'd assume it would take slightly longer to take off due to the increased friction within the wheels and bearings. Now on a much smaller plane you may actually be able to take off sooner due to boundary airflow created by the treadmill.
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>>17804687
>implying the treadmill wouldnt have to run so fast that would create a current of air due to surface friction providing the aircraft the necessary lift
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>>17801027
What are the benefits over just running into the car in front?
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>>17804828
You're probably right, but I'm under the impression that the change in runway distance used would be small enough to be considered null.

>>17804836
A lot of shit is hypothetical here, ya know like the ridiculously long treadmill that would need to be made of asphalt and have substantial structural reinforcement as to hold up a Boeing 737.
The airflow created by a the surface friction of a massive stretch of asphalt is not something I'm taking into consideration. I can tell you from my experience, it will not provide enough lift for the plane.
Even if it did, then the plane would only make it a few feet off the ground and would appear to just be hovering, still unable to take off.
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>>17804838
>You don't need to touch the car in front of you.

That's about it as far a benefits go. There's also the side effect of having what is essentially a bumper made from rock. Goodbye weight savings and handling characteristics.
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This is epic! Cann you please incluse me in the screenshot?
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>>17804687
The planes engine pushes against the air, not the tarmac like a car engine.

It would take off unless the pilot has the brakes on.

For it not to take off you'd need a wind tunnel instead of a conveyor belt.
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>>17802732
This thread
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>>17805057
>bottom left works just fine though, a bit slow perhaps
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>>17804828
>>17804836
>>17805047

the treadmill is running at the opposite speed to the thrust of the engines, the plane is stationary, it's not taking off ever. the whole point of this question is to make fun of stupid people and those stupid fat cunts at mythbusters fell for it and didn't even do it properly.
>>
stand in place and move by pushing yourself without taking a step
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>>17805291
The plane isn't attached to the treadmill though. The wheels are free spinning. All that would happen is the wheels would spin 2x faster. It's like if you drive an RC car on a treadmill vs if you push it with your hand.
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>Nuclear pulse propulsionorexternal pulsed plasma propulsion, is a hypothetical method ofspacecraft propulsionthat usesnuclear explosionsforthrust.[1]

why not adapt this to cars?
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>>17800762
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>>17805400
>"according to Newton's third law, every action has an equal and opposite reaction"
lmao anon
There is still no such way to literally make energy out of thin air, if it were real it already would've been done
Free energy is a myth
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>>17801410
>>17801417
>>
>>17802732
Well, if a car DOESN'T have this mechanism, it would be attracted to it even harder. That and parking near anything metal might prove problematic.
>>
>>17805291
>the treadmill is designed to match the speed of the wheels
Not the speed of the entire plane you retard. The treadmill will just make sure the wheels remain stationary, the plane will still move forward because of it's fuckhuge engines. For it not to take off the treadmill would have to spin fast enough to cause enough force to offset the engines through the wheels, which would mean it is spinning significantly faster than the wheels, but a given is that it spins at the speed of the wheels in the opposite direction, so that's off the table.

tl;dr it takes off
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>>17800762
Yeah of course try to lift yourself with your left hand works the same
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>>17800762
The fundamental problem is that the boom resolves all of the forces involved. Its internal compression and bending forces are symmetrical - they cancel each other out, which means no acceleration. (F=ma, and the net F on the boom is zero so acceleration 'a' is zero. That means no movement.)

Think of it as the car attracting the magnet on the boom towards it, but the boom is holding it back. Or the magnet on the boom is attracting the car, but the boom holds the car back.
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>>17801027
If you want a cheaper version just make the car behind rear-end the car in front! 100% works!
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>>17805047
You're thinking of this the wrong way.
The planes engines provide thrust, hence they push the plane forward.
The engines provide ZERO lift. They do not ever make the plane go up, they only make it go forward.
The thing that makes the plane go up, or gives it lift, is the fast moving air over the entire wing. Without that fast moving air, you have zero lift. With lift, you can't get off the ground.
There are two ways to get air to move quickly over the wings. Either you move the plane very fast in relation to the stationary air, or you move the air very fast in relation to a stationary plane (wind tunnel).

If you aren't in a wind tunnel, then you need to be moving fast through the air to generate any lift.
If you're on a treadmill, you're not moving forward through the air. The entire concept of a treadmill is that you get to push against the ground in one spot. Pushing against the ground doesn't help planes fly.

>>17805642
Exactly as I had said, theoretically, a treadmill as long as a runway would be no problem for a plane to takeoff on. It's wheels would just spin at twice the normal speed.

The problem with the question is it's formatted to make the reader believe the question being asked is, will the plane retain it's x and y coordinates but move in the positive z direction? The answer to that is no. It's not going to lift off like a helicopter or harrier.
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>>17805460
Which is why he's right. Your not adding or losing energy from the system (the car with magnets) so how would it ever do anything?

The only way humans have been able to move forward, is by leaving something behind, because of Newton's third law. You always leave something behind.
>>
ITT: troll physics
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>>17805694
The question might have been meant that way, but what's really on paper is the wheels, which means it takes off. Although if it did say that the plane itself remained stationary, you'd be right.
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>>17805700
Magnets don't produce emissions, retard. There is nothing to be consumed or emitted
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>>17805741
>There is nothing to be consumed or emitted
lol how do I thermodynamics
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>>17800762
God this thread is epic.
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>>17805741
That's exactly what I said.

If you want to go forward, you would need to leave something behind. Magnets on that specific closed system "don't leave anything behind". Therefore, you can't go forward. Therefore, you don't fucking move and it doesn't work.
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>>17805642
How fucking stupid are you
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how are you supposed to see with that "carbon member structure in front of the window.
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>>17800778
I think it would work.
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>>17804749
shh, this is funny
>>
>>17801477
well
the magnets will touch the plate eitherway
the weak will bend
the body is weaker than the plate with a whole body's weight on it
so the body will collapse
the only way this would work is if you could hold your own weight, I think
yes I'm retarded
>>
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>have chair
>jump off building
>before hit ground jump off chair
>survive?
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>>17806550
If the mass of the object is large enough, and you can jump fast enough, there is no reason for this not to work.
>>
ITT:
OP has a sense of humor and everyone else is pants on head retarded
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>>17806584
He would need to jump upwards at terminal velocity
>>
>>17804582
>>17804687
>>17804836
>>17805047

https://blog.xkcd.com/2008/09/09/the-goddamn-airplane-on-the-goddamn-treadmill/

TLDR the whole problem is a paradox
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>>17806550

>chair hits ground
>legs fully extended and muscles are tense
>feet hit chair and your shinbones explode
>>
>>17804582
Couldn't you theoretically accelerate the plane to the right speed and then stop the conveyor belt real quick?
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>>17806550
If you can jump the same height you are falling from yes
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>>17806901
>interpretation 1: Plane takes off
>interpretation 2: Plane takes off
>interpretation 3: Plane can never be stationary

Where's the paradox here? You'd have to be retarded to interpret it as #3.
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>>17800762
>>17801771
are you sure?
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>>17801418
Front bumpers can't be made of a hard material or pedastrians would have significantly higher life threatening I juries.
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is this another one of hakuna miatas crazy car idea threads
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>>17800781
LeeeeL
>>
>>17806901
this isnt a paradox lmao.
there's no air going over the wings thus it wont take off. it's pretty fucking simple.
Thread posts: 121
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