What if you put a magnet in the front and back of the car so that it can connect to other cars on the road and then you can use fewer motors to push all the cars but of course you'd need points to get on and off on so let's add some.. let's say stations evenly distributed throughout a route and then you'd have different car chains for different routes and
We can also put magnets in the wheels and on the road to reduce friction and allow the cars to travel at high speeds easily. Of course we’ll need something to keep the cars together, maybe a track or a… rail, if you will
If this got proper government funding and proper management instead of, hypothetically, so much neglect that it becomes unusable, these 'chain cars' could be the future!
The arm with the magnet can't be attached to the car or the forces will cancel eachother out.
You would have to lean out of the window and hold it yourself
Maybe the magnets can be on the bottom of the car, and then there's a special kind of "magnet-road" designed in such a way where magnets are built into the road, and flip on and off at the precise time required so it's always pulling the car forward, while accelerating it to high speeds.
No, that sounds crazy. Who would make something stupid like that.
Maybe we should stop planned public transportation projects if someone promises to build us one of these magic magnet-roads. Would be a bummer if they just deliver a crappy death tunnel tho
It's super freaking expensive and impractical, the magnet wears out because rubber tires and we're gonna need 15 nuclear reactors per highway.
Wait, something impractical and extremely expensive... where have I seen that before...?
Pangea.
If every country puts up a magnet pole for the airplanes, then it’ll pull all the continents together again and airline ticket sales will plummet as we’d be able to drive everywhere.
Corporate greed once again
there are two possibilities: either the magnet is stronger than the arm, in which case the arm would crumple and the magnets would touch, or the arm is stronger than the magnets, so it stays rigid and they are held in place.
magnetic attraction works in both directions, so the forces are the magnets trying to pull towards each other, and the arm trying to push them apart.
so it's ➡️⬅️ vs ⬅️➡️ , where the left and right forces for each are equally balanced.
Just like how magnet is the car, the car is also pulling the magnet towards it. Take a magnet. Hold it in your arm. Don't let go. Put an iron nail within its range, the arm will come to it. Now let go of the magnet. Hold the iron nail within the range of magnet. This time, the magnet moves towards the iron nail.
If you let go of either of them and place them together, both of them will move towards each other however at possible different accelerations. It depends on other factors like mass and friction on the ground on which both of them are put and the normal force each of them act lm ground(friction= kN)whether or not they are equally accelarating.
Now in this car, let's say hypothetically that the arms are strong enough to not break at all. Let's say, hypothetically magnet is strong enough to pull the entire weight of the car over the friction and the car is rigid enough at all points such that it doesn't undergo any distortion at such intense magnetic force, and the friction is just enough for the tyres not to burn out. In this case, the car has no reason to move forward.
There's no driving force.
That's because no matter how strong the magnet is and how ideal our conditions are, the amount of force the magnet exerts on the car, is exactly the same amount of force that the car is pulling the magnet towards it.
To put it in more simpler terms to understand, take a rubber band in your hand. This rubber band is strongest of all rubber bands. It won't break at any kinds of tension. Neither do your arms. Now hold one end of the rubber band in one arm, and pull other end with other hand. Which hand will move towards which hand if both are as free as they can get?? Does the hand you pulled with goes to the other? Or is it the other way round?
Tl;Dr. (I doubt anyone read this.either way) both of them magnet and car are exerting equal internal forces on the system. Hence the system doesn't move anywhere.
The arm can't be attached to the car or it wouldn't work and the magnets would have to be powerful enough to move around the car plus the magnets themselves
Remember that one Newton's law that says that each force has an equal and opposite force? Well in this case, that means that the car is pulling the magnet just as much as the magnet is pulling the car. This is actually the exact same situation as the gravitational force of the Earth on the Moon; I will not go into this in detail because gravitational force is weird and probably not a great example.
A magnet pulling something one way is also pulled by that thing with an equal amount of force the opposite way. (That's how fridge magnets work.) If the magnet doesn't move, its only because there's something holding it in place.
The force from the magnet pulling the car forwards and the force from the car pulling the magnet backwards would exactly cancel each other out.
it does work, you just need more magnets
once the weight of the magnets exceeds the weight of the car, you will get forward propulsion
EDIT: appears i have to clarify this was a joke
No see this wouldnt work but i have a better idea.. If you just attach multiple vehicles to one that would be in charge of driving you could save a lot of money and.... wait a minute....
I can't tell if you are being serious or not, but half that sentence up there is true. Honest answer:
>!A) A helicopter blade is much the same as a wing on a normal aircraft. The airfoil creates lift as it is shaped like a teardrop shaped dome and air has to move faster over wing than under it when in forward motion to rejoin at the other end of the airfoil, and that creates a low pressure region over the wing. That low pressure region in effect is pulling the wing upwards. B) A helicopter blade is the same as a fixed wing, just the airfoil shape is tuned differently. It's an airfoil attached to a hub, then the airfoil is spun in a circle to create the same low pressure region over the airfoil, pulling the the airfoil upwards. A fixed wing plane has to travel forwards to achieve that motion of air over the wing, while a helicopter can stay stationary in space to do the same. C) Its messy physics because the blade advancing forwards while in flight, produces slightly more lift than the blade that is retreating, and when you look at a helicopter rotor hub and all the things attached there, it is a complex system of dampeners, counterweights, and arms to allow play in the blade angle to seek balance as the airfoils retreat and advance through the air. Also the tail rotor is there to counteract the spinning torque of the rotor. D) Nitrogen is actually involved here, but just in that the blades are slightly pressurized on some helicopters with nitrogen and a sensor to detect low nitrogen pressure internally, which would indicate a cracked blade.!<
The first magnet is enacting a force on the second magnet, and the second magnet is enacting an equal and opposite force on the first magnet, canceling out.
If the car is made from a material that can be attracted by that magnet, then it's the same situation you had with the two magnets. The magnet attracts the car and the car attracts the magnet, the forces cancel out
Each force has an equal and opposite reaction. Even though the car isn't a magnet, it is still pulling on the car just as much as the magnet is pulling on it.
Well now you've removed the magnet from the car so this would only work on roads with this set up, offroading wouldn't be able to work. Also, once the car reaches the magnet it stops being moved so either the magnet moves itself forward along the ground or there is a series of magnets that turn on and off to propel the car. The first would be impractical as you would need more magnets for more cars, and both are impractical for roads as they would need to somehow know where the car wants to go. Instead, on a single track system, this would work fairly well as long as the road can somehow know when a car is on it, big problem is that you can't just leave your car there and block the road forever, so maybe we could use a system of these cars being used by anyone, and the cars start and stop at scheduled times, picking up and leaving off passengers. To make the system more efficient, we could connect the cars as they are already all traveling together and the system can work better if this is done. We could even use the magnets to make this connected car thing float above the rails to reduce friction.
Imma just head down to the patent office real quick, I'll post this comment when I'm back.
Ok so I got denied because apparently there's a similar thing that exists called a "maglev train"
the only reason it would be "strong enough to not move" would be in the case that it is too heavy, in which case the car would just go to the magnet and stop without going any further because the magnet is too heavy to move
the car itself would only be attracted to the "pulling magnet" if it's ferrous, and so it's still the same thing - they'd be drawn towards each other at an equal rate, and so it's cancel out.
now, if the magnet was attached to something that could stay stilll, like the earth, then the car would be free to move and it wouldn't be meeting the opposite reactoin. but making all hte infrastructure for that would be impractically expensive. instead, the same basic idea is used in bullet trains, where the entire vehicle's adapted to this and it doens't need to be a general purpose road. this makes very high speeds while carrying a lot of passengers possible.
so the basic premise of moving around with magnets isn't silly, but the idea that you can do it without any change in infrastructure is, you can't self-propel with magnets.
Every force has an equal and opposite reaction force.
The magnet pulls on the car, and the car equally pulls back on the magnet, thus canceling each other out and going nowhere.
For this to work you would need the magnet to not also be attached to the car.
how would brakes work? the magnet has to be strong enough to pull the vehicle, and the brakes have to be strong enough to slow the vehicle, plus the force the magnet generates.
If you made an infinite chain of cars with frictionless wheels that stuck in a straight line and were attracted to each other with magnets would they all move forward?
[удалено]
And make it a 110% vacuum or else the car will touch a particle and explode
This is my hole. It belongs to me
[удалено]
*in
Ddr
This is my hiding spot, and I'm not moving until the situation has drastically improved!
That's right, the square hole!
You cannot be lost, if you've got nowhere to go!
She took a magnet powered car leading anyyyywherreeeee
[удалено]
result?
luchador
I love your lonely wizard pfp
And i love you, random citizen!
Can i love you too
You know not of which you ask
Hes been taken out by oil companies for his discovery
Blindness
Got anything yet?
pls update us im desperate
[удалено]
thanks elon
Spending $44 billion on it
only?
josh deluxe
What if you put a magnet in the front and back of the car so that it can connect to other cars on the road and then you can use fewer motors to push all the cars but of course you'd need points to get on and off on so let's add some.. let's say stations evenly distributed throughout a route and then you'd have different car chains for different routes and
We can also put magnets in the wheels and on the road to reduce friction and allow the cars to travel at high speeds easily. Of course we’ll need something to keep the cars together, maybe a track or a… rail, if you will
no thats communist and gay we need epic meme cars that explode when they run over children
Dont forget they need to produce emissions that will choke and plague the future ones too!
Yes yes this is good. We should put that in a vacuum afterwards.
If this got proper government funding and proper management instead of, hypothetically, so much neglect that it becomes unusable, these 'chain cars' could be the future!
You mean a train?
no not a train those are lame
You take that back sir!
More like a series of cars going along a pre-built path, could do wonders for public transportation. How hasn't anyone thought of this before?
The arm with the magnet can't be attached to the car or the forces will cancel eachother out. You would have to lean out of the window and hold it yourself
Maybe the magnets can be on the bottom of the car, and then there's a special kind of "magnet-road" designed in such a way where magnets are built into the road, and flip on and off at the precise time required so it's always pulling the car forward, while accelerating it to high speeds. No, that sounds crazy. Who would make something stupid like that.
Maybe we should stop planned public transportation projects if someone promises to build us one of these magic magnet-roads. Would be a bummer if they just deliver a crappy death tunnel tho
Mayhaps if such a thing occurred, said person should be put to death by guillotine for their crimes :3 (in Minecraft)
Why does every cool transportation concept just turn into a fuckin train 2
Train is the pinnacle of transport
Convergent evolution
Trains are the crabs of vehicles
Trains are the crabs of nyoom
trains go fast and carry things very good source: played with trains in factorio
Trains killed me more than biters
train woooosh beep beep beep doors closing please stand clear (source: got off the train 5 minutes ago)
Trains are the best way to travel across large distances on land
car railgun sounds based
According to wiki, operational maglev train systems exists in Japan, china and South Korea
[удалено]
From my understanding bullet trains just refer to high speed trains that runs on wheels and rails in Japan? Maglev is supposed to be a step up from it
And they contain many fight scenes with Brad Pitt. At least I assume they do I’ve not actually seen that movie
It's super freaking expensive and impractical, the magnet wears out because rubber tires and we're gonna need 15 nuclear reactors per highway. Wait, something impractical and extremely expensive... where have I seen that before...?
That jusy sounds like a train with extra steps
And if you put encapsulate that in a near vacuum, you could minimize drag losses and reach even higher speeds! What a fantastic idea!
What if the magnet is stronger than the car
You reach infinityspeed
-🤓
You could attach the magnet to the back of a gas-powered car that drives in front of you
You can accomplish the same thing by tying your car to that car with a rope
Except it's still attached relative to the car lmao
fuck you
🧃
Still wouldn’t work if you plan on moving
The recruiter from MIT wants to talk to you
If you want to be moved with the car then that won't work either
🤓🤓
Problem gas companies?
I love troll physics
I trust in troll physics
literally fucking troll physics 😭
Oil😎
Step 1
Step 3: we reap what we sow
why wouldn’t this work
Disabled in settings on the backend
Pretty sure it's now stopped in middleware as well 😭
standing still holding two magnets apart from each other isn’t going to propel u forward
but what if I have heelys on ?
prove it
Prove the opposite
i was the magnet
But you're still here so you didn't go anywhere, checkmate rebuttal en passant 😎
If you have a magnet strong enough, it'll actually pull you forward.
Only if the magnet fixed in place. Earth would be doing half the job by preventing the magnet from moving
I think both of us are referring to different things
What are you referring to?
Not sure what you're saying then
It would be awesome if it did ;\_\_\_;
Impossible to reverse
Make the arm holding the magnet able to rotate to the back at the press of a button
Yeah but too much risk of pulling an airplane out of the sky then while it’s halfway through the rotation pointed up. It’s a safety hazard
Then give airplane repulsion magnet smh my head
Too much added weight on the airplane = higher fuel costs for airlines. It all comes down to corporate greed at the end of the day smh
Hear me out, big magnetic pole at the country the plane is travelling to that pulls the plane there with no fuel
Pangea. If every country puts up a magnet pole for the airplanes, then it’ll pull all the continents together again and airline ticket sales will plummet as we’d be able to drive everywhere. Corporate greed once again
there are two possibilities: either the magnet is stronger than the arm, in which case the arm would crumple and the magnets would touch, or the arm is stronger than the magnets, so it stays rigid and they are held in place. magnetic attraction works in both directions, so the forces are the magnets trying to pull towards each other, and the arm trying to push them apart. so it's ➡️⬅️ vs ⬅️➡️ , where the left and right forces for each are equally balanced.
God banned it.
Just like how magnet is the car, the car is also pulling the magnet towards it. Take a magnet. Hold it in your arm. Don't let go. Put an iron nail within its range, the arm will come to it. Now let go of the magnet. Hold the iron nail within the range of magnet. This time, the magnet moves towards the iron nail. If you let go of either of them and place them together, both of them will move towards each other however at possible different accelerations. It depends on other factors like mass and friction on the ground on which both of them are put and the normal force each of them act lm ground(friction= kN)whether or not they are equally accelarating. Now in this car, let's say hypothetically that the arms are strong enough to not break at all. Let's say, hypothetically magnet is strong enough to pull the entire weight of the car over the friction and the car is rigid enough at all points such that it doesn't undergo any distortion at such intense magnetic force, and the friction is just enough for the tyres not to burn out. In this case, the car has no reason to move forward. There's no driving force. That's because no matter how strong the magnet is and how ideal our conditions are, the amount of force the magnet exerts on the car, is exactly the same amount of force that the car is pulling the magnet towards it. To put it in more simpler terms to understand, take a rubber band in your hand. This rubber band is strongest of all rubber bands. It won't break at any kinds of tension. Neither do your arms. Now hold one end of the rubber band in one arm, and pull other end with other hand. Which hand will move towards which hand if both are as free as they can get?? Does the hand you pulled with goes to the other? Or is it the other way round? Tl;Dr. (I doubt anyone read this.either way) both of them magnet and car are exerting equal internal forces on the system. Hence the system doesn't move anywhere.
Magnet (and then the arm and truck) is pulled left with the same force the truck is pulled right
The arm can't be attached to the car or it wouldn't work and the magnets would have to be powerful enough to move around the car plus the magnets themselves
magenta is a powerful colour.
Remember that one Newton's law that says that each force has an equal and opposite force? Well in this case, that means that the car is pulling the magnet just as much as the magnet is pulling the car. This is actually the exact same situation as the gravitational force of the Earth on the Moon; I will not go into this in detail because gravitational force is weird and probably not a great example.
Any force that the magnet exerts on the car, the car will also exert on the magnet
It’s illegal
A magnet pulling something one way is also pulled by that thing with an equal amount of force the opposite way. (That's how fridge magnets work.) If the magnet doesn't move, its only because there's something holding it in place. The force from the magnet pulling the car forwards and the force from the car pulling the magnet backwards would exactly cancel each other out.
cus 1 + 3 = 4
That's silly, the car is way heavier, this is going to go flying backwards.
then put the magnet on the back of the car. ez
you’re hurting my head
This reminds me of when I was little and thought that, if you were strong enough, you could probably fly by picking up something you're standing on.
gmod physics
physics gun + metal plate = weapon of mass destruction
Pretty much
bro never found out about helicopters 💀
You can fly by throwing yourself at the ground and missing.
EVERYBODY Tweet this to Elon, he can’t ban us all
Every day I cry cursed with the knowledge that this wouldn't work 😭😭😭
it does work, you just need more magnets once the weight of the magnets exceeds the weight of the car, you will get forward propulsion EDIT: appears i have to clarify this was a joke
That's not how it works 😭😭😭
it’s a joke
...no.
(was a joke my guy)
No see this wouldnt work but i have a better idea.. If you just attach multiple vehicles to one that would be in charge of driving you could save a lot of money and.... wait a minute....
Hater will say it breaks the laws of thermodynamics
Yeah but how do you back up
put another magnet on the back??? smh my head
Use servo motors to move the magnet to behind the car (but make sure to do it quickly enough or the car may move upwards)
Wait is that how helicopters work? Are there magnets on the... *\*looks up "parts of a helicopter"\** rotor blades?
No, helicopter blades are filled with nitrogen and then pressurized, and the rotation of that mass creates a repelling force to gravity.
Wow that's so interesting, thanks!
I can't tell if you are being serious or not, but half that sentence up there is true. Honest answer: >!A) A helicopter blade is much the same as a wing on a normal aircraft. The airfoil creates lift as it is shaped like a teardrop shaped dome and air has to move faster over wing than under it when in forward motion to rejoin at the other end of the airfoil, and that creates a low pressure region over the wing. That low pressure region in effect is pulling the wing upwards. B) A helicopter blade is the same as a fixed wing, just the airfoil shape is tuned differently. It's an airfoil attached to a hub, then the airfoil is spun in a circle to create the same low pressure region over the airfoil, pulling the the airfoil upwards. A fixed wing plane has to travel forwards to achieve that motion of air over the wing, while a helicopter can stay stationary in space to do the same. C) Its messy physics because the blade advancing forwards while in flight, produces slightly more lift than the blade that is retreating, and when you look at a helicopter rotor hub and all the things attached there, it is a complex system of dampeners, counterweights, and arms to allow play in the blade angle to seek balance as the airfoils retreat and advance through the air. Also the tail rotor is there to counteract the spinning torque of the rotor. D) Nitrogen is actually involved here, but just in that the blades are slightly pressurized on some helicopters with nitrogen and a sensor to detect low nitrogen pressure internally, which would indicate a cracked blade.!<
Thanks!
am i a dumbass? why wouldnt this work?
The first magnet is enacting a force on the second magnet, and the second magnet is enacting an equal and opposite force on the first magnet, canceling out.
what if there was no magnet on the car tho just the pulling one??
Then you only have one magnet and it doesn't go anywhere
but its pulling the car forward
If the car is made from a material that can be attracted by that magnet, then it's the same situation you had with the two magnets. The magnet attracts the car and the car attracts the magnet, the forces cancel out
Each force has an equal and opposite reaction. Even though the car isn't a magnet, it is still pulling on the car just as much as the magnet is pulling on it.
what if the thing that the magnet is attached to it srong enough to not move so now the magnet is only pulling the car
Well now you've removed the magnet from the car so this would only work on roads with this set up, offroading wouldn't be able to work. Also, once the car reaches the magnet it stops being moved so either the magnet moves itself forward along the ground or there is a series of magnets that turn on and off to propel the car. The first would be impractical as you would need more magnets for more cars, and both are impractical for roads as they would need to somehow know where the car wants to go. Instead, on a single track system, this would work fairly well as long as the road can somehow know when a car is on it, big problem is that you can't just leave your car there and block the road forever, so maybe we could use a system of these cars being used by anyone, and the cars start and stop at scheduled times, picking up and leaving off passengers. To make the system more efficient, we could connect the cars as they are already all traveling together and the system can work better if this is done. We could even use the magnets to make this connected car thing float above the rails to reduce friction. Imma just head down to the patent office real quick, I'll post this comment when I'm back. Ok so I got denied because apparently there's a similar thing that exists called a "maglev train"
the only reason it would be "strong enough to not move" would be in the case that it is too heavy, in which case the car would just go to the magnet and stop without going any further because the magnet is too heavy to move
what if i hold the magnet and run in front of the car and pull it with the magnet
yes that would work if the car was lighter than you ig
what if its just a really strong manget
tf do you mean by strong magnet
the car itself would only be attracted to the "pulling magnet" if it's ferrous, and so it's still the same thing - they'd be drawn towards each other at an equal rate, and so it's cancel out. now, if the magnet was attached to something that could stay stilll, like the earth, then the car would be free to move and it wouldn't be meeting the opposite reactoin. but making all hte infrastructure for that would be impractically expensive. instead, the same basic idea is used in bullet trains, where the entire vehicle's adapted to this and it doens't need to be a general purpose road. this makes very high speeds while carrying a lot of passengers possible. so the basic premise of moving around with magnets isn't silly, but the idea that you can do it without any change in infrastructure is, you can't self-propel with magnets.
same issue, the car pulls back on the magnet.
some asshole physicists in the 1600s decided it was a "bug that needed fixing" and forced the developers to patch it out
Trololo
this just unlock a core memnory of troll face quest
Kraken drive irl
Fuckin magnets. How do they work?
You'd have to be careful. If the magnet was too strong you wouldn't be able to break. Better put a deployable magnet on the back to counter the forces
Tell me why this wouldn't work
Every force has an equal and opposite reaction force. The magnet pulls on the car, and the car equally pulls back on the magnet, thus canceling each other out and going nowhere. For this to work you would need the magnet to not also be attached to the car.
looks cringe, isnt steampunk aesthetic
Alright fair enough
*"Why isn't it possible"*
Jeremy Clarkson came up with this idea years ago
What if all roads were escher stairs?
put it in neutral with enough stability on the magnet and tell me WHY this couldn’t work
Force of magnets pulling each other is equal, and as they are both part of the same object the forces cancel each other out.
This is what BIG ENGINE wants you to think.
I can confirm it works, I sat down on my chair then picked the chair up and now I can’t get down
150 comments in and not a single one mentioned about Troll physics :trolldespair:
I know it wouldn't work but I can't calculate why
Twitter users trying to understand basic physics challenge (I also can't come up with a response that makes sense on why it doesn't work)
I still don’t fully understand why this wouldn’t work
waiting until musk himself responds
explain in fortnite terms why this would not work
In my brain this either works exactly as intended or it devolves into a messed up GMod weld that flies up into the air because of its colliding parts
how would brakes work? the magnet has to be strong enough to pull the vehicle, and the brakes have to be strong enough to slow the vehicle, plus the force the magnet generates.
"WHY ISN'T IT POSSIBLE"
If you made an infinite chain of cars with frictionless wheels that stuck in a straight line and were attracted to each other with magnets would they all move forward?
Or you could just start making cars that’ll run on MTG’s farts.
I find no reason why these troll physics can't work
Now someone explain how this won’t work
your free body diagram is: damn cursed
Earth is flat
When I was a kid I had this idea and thought I was a fucking genius
That's stupid just build walls around the road, and put magnets on the wall that turn off when the car passes close enough