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Physicist Breaks Down Superhero Physics From Movies & TV | WIRED

Jun 09, 2021
Hello, my name is Rhett. Elaine Brett is a

physics

professor at Southeastern Louisiana University. Today I'll be looking at incredible feats of

superhero

physics

in

movies

and television. Superhero landing. Deadpool landing that's very hard on your knees. Do you know one of the best things about Deadpool in both the comics and the

movies

is that he

breaks

the fourth wall and interacts with the audience, I know, in this case he talks about

superhero

landing, superhero landing, superhero, wait, the idea is that a superhero lands with one knee and one fist. and one foot on the ground, so three points of contact, but it's a very sudden movement, it's not like a normal landing, it looks really cool and I think it happens all the time and it's better than the way a normal person would hit the ground.
physicist breaks down superhero physics from movies tv wired
No, that's really hard on your knees. Totally impractical, everyone does it, so you have to think about the forces acting on a person as he lands by falling from somewhere. The key is to have the force as small as possible. One way to do it. is to increase the distance over which you stop, so if I jump and land on the ground I let my knees bend and my center of mass moves down as my knees bend, I increase the distance over which I stop and decrease the force. parachute landing you fall and don't even get up you hit you crouch you turn around on the ground and further increase the distance over which you stop that's the best way to do it superhero landing will just be a bad idea we all know how this turns out kinetic energy the kinetic energy of the black panther is a quantity that you can use to describe objects in motion we have momentum which is mass multiplied by speed and then there is kinetic energy which is half the speed of mass squared you know that Kinetic energy is It's not a real thing, it's a way of looking at nature, it's a way of looking at interactions, so anything that moves would have kinetic energy.
physicist breaks down superhero physics from movies tv wired

More Interesting Facts About,

physicist breaks down superhero physics from movies tv wired...

If I take a baseball and throw it, it's moving, it has mass, so it has kinetic energy. The black panther suit somehow has an interaction between the bullet and his suit to take the kinetic energy of the bullets and store it in some sort of internal battery and then once he has enough energy stored he can release it in a flip of energy of some kind to do whatever you want. I'm not sure exactly how it works, that's what makes it Black Panther and Wakanda's technology is beyond me to fully understand the recoil. I wonder why, then what is recoil?
physicist breaks down superhero physics from movies tv wired
Suppose I am standing on a frozen lake and I have a basketball or a heavy ball. and I throw the ball well, the momentum of the ball will change because I exert a force on it, but the ball pushes me back with the same force, so I will have exactly the same change in momentum that will make me go back in the direction it takes. In the full sense, this is the idea of ​​recoil when you throw something in one direction and it comes back in another direction, so a bullet has momentum, it's moving, it has mass, but it turns out it's moving very fast, but it has mass. quite low and no.
physicist breaks down superhero physics from movies tv wired
You don't have that much momentum, if you hit a bullet with a bracelet or a person somehow then that person would have to recoil with the same momentum, but the person has such a large mass that the recoil speed would be very small, so No There really is no recoil from normal bullets when they hit people, so in this case Wonder Woman deflects a bullet, it should be fine. Is there anything else you want to show me? Contact area Justice League. I'll take the ones on the right, Superman building things. impossible forget about flying forget about super strength even with that he couldn't do this so imagine you have a jello cake it's like a big mass of jello that's how big this is a bad time to raise my blood sugar and you wouldn't lift the jello with a toothpick by pushing on the bottom, the toothpick would just go through the jello, on top the jello would probably break in half too, so both of those things are a problem.
Superman is pushing in the middle. of the building trying to hold everything up, it would just go through everything and the building would fall. If he really wants to lift the building, he needs to increase the contact area, get bigger hands, which probably won't happen or he could possibly have some cables connecting to multiple locations on the building and then lift it from the top, maybe It might not look as cool, but it would be more plausible, at least strange, and there are plenty of ways to strengthen Spider-Man's homecoming at the beginning. Spider-Man uses his webs to connect one side of the ship to the other in an attempt to keep it from falling apart, and it doesn't work.
He could be for several reasons, in particular he just doesn't have enough networks to wield them. enough strength between the two halves to keep them from falling apart maximum tensile strength the point at which the tension

breaks

was the rope breaking for spiderman webs I mean, first you would need to know what it is made of and then you need to know the diameter of it it's really hard to estimate how much a better way to approach this would be to calculate the stress it puts on the ship when it breaks the more they lean the greater the gravitational force on that piece Pull it apart and you need a lot of force to keep it these two things together and maybe your networks just aren't strong enough to do that great work Peter.
I suspect 98% means the total force needed to hold one side of the boat. above is 98 percent of what you need to keep it from falling. If the force is not great enough the boat tilts and stretches the net and eventually the net breaks and then you have no net strength and that causes more nets to break. and has a sort of cascading failure in Spider-Man's gang practice, the Ironman suit may be more successful in reassembling the boat for a couple of reasons, number one, it's possible that his mini micropropellant rockets that stick to the side of the ship are simply stronger than Spider-Man twelve, the second big thing is that those forces can keep moving as the ship moves, while Spider-Man's force is a static force, once you stretch a pass, he can't, he can't put it back together. it simply prevents it from falling apart further, the boat floats because it prevents water from entering and makes it generally effective.
I saw nothing less than water once you violated the integrity of the helmet game. That thing will sink very quickly. Don't know. I think Spider-Man will have enough time to rebuild it. I don't think Ironman is going to have enough time to rebuild it. It's just a movie now, so we're okay with that. What do you want me to do? you've done enough terminal velocity Captain America the Winter Soldier look where to parachute no he was so when Captain America jumps out of the plane there are actually two forces that come into play the first is the force gravitational force that pushes it down, but there is another force.
When it starts to fall it increases its speed, there is a force of resistance from the air, it collides with the air molecules and those air molecules push it in the opposite direction to which it is moving and it actually reaches the part where it is the same as the gravitational force now has an upward pushing force and a downward pushing force that are of equal magnitude with forces of equal magnitude. He moves at a constant speed. We call this terminal velocity because it doesn't get any faster when Captain America first leaves the plane he starts on.
In a standard skydiving position, this position allows the greatest surface area for the greatest air resistive force and therefore the lowest terminal velocity. It also allows him to move his hands in a way that could actually control his movement by pushing the air in different directions. Towards the end of the jump he actually adopts a more upright position, this decreases the surface area that hits the air and makes him fall even faster. You want to hit the water feet first so you turn around and hit the water feet first like a pencil jump or pencil jump and the nice thing about the first vertical position of your feet when hitting the water is that you will penetrate deeper into the water, which increases the distance from which the tree stops and decreases the braking force and gives them a better chance. to survive, I mean, it's Captain America, so these shows survive regardless of net strength.
Iron Man 3. Look at that guy. I'm going to pass. Are you just going to grab? I will electrify your arm. You won't be able to open your hand. You can do this Heather once you start having multiple people on a chain hanging together, the person at the bottom is just hanging like a normal person, the next person has to pull with force equal to their own weight and the force of the person who throws under them, what is his weight, the third person has to pull with the strength of three people and you can see that he starts to become very big and uncontrollable.
Ironman wants to solve this problem by essentially giving electric shocks to his muscles to make them contract, so they can't quit. Go, I will electrify your arm, you will not be able to open your hand. I don't think that works for several reasons. I understand a lot of this, okay first, if you put like five people in a row, it's probably not just about muscles, things start to break in human arms and it wouldn't work. The second thing is that you can get an electric shock that makes people's muscles contract, but the problem is that normally you need a closed circuit, you need a path for the current. to go there and come back and he only has one chain there is no way for the current to return to Iron Man and the use of the power supply to force this impact good job guys good team effort come on we miss the integration, the boys.
When ever a train runs very fast and runs into the girl, what would really happen? I mean, it's a very difficult question because it really depends on a train, is he invincible or is he just a very fast normal human if it's a very fast normal human colliding with a stationary human, they would both have the same amount of damage because if he he pushes her with the forest, she pushes back with the same force, so what happened to her would happen to him in the clip he just turns into. Well, she clearly has other powers besides being super fast.
Would she just push her forward or would she back away? It really depends on how fast she goes and how she really hits it. A part of him hits her before the rest of her. from him, he could essentially poke through it. I know he's kind of gross and once he does it, he disables the integrity of her body in such a way that she can possibly splatter him all over the place. Oh, looking at that clip, there's one. The problem is that's weird if he runs like this and hits her, why does some of her blood go back to her boyfriend?
It does seem like him hitting her would push all of her blood in the same direction she was moving, so I mean, it's kind of like that. It's a gross clip, but it shows an important point of the story and that superheroes aren't always good guys, running on water is awesome, so let's say you want to run on water, you need an upward force to counteract the gravitational force that Push. One way to do this would be like hitting water. If I hit the water with my hand or foot, the water pushes me up, but it's not a huge force and it doesn't last long.
I do not do it. I know I don't know how you do it, that means you have to hit the water really hard and then hit it again really hard, so you really have to move your feet back and forth really fast to accomplish all this. to work you must have been saving how fast you think you were, Holly, man, I don't think a normal person can do it, but clearly, he can do it, so when he stops and he's treading water a little bit, I think. It's the cunning coyote effect, so if you remember, the cunning coyote was chasing the roadrunner, playing golf on a cliff and then saying well, I just realized I'm on the ground now and then he falls, it's very dramatic and it's something funny. and I think that's exactly what happens with - of course, as soon as he stops, he starts sinking into the water and falls, but it's its comic effect, what are you waiting for?
Blind Ironman ready and three two in this scene that Tony Stark is testing. He had built one before for his Iron Man suit, but it wasn't as sophisticated as this one, so he needs to make sure the thrusters are set up correctly to allow it to fly, so imagine you have a pencil and you want to hold it in your hand. hand here and you hold it from the bottom, if you push it up, it's very easy for it to tip over, so rockets from the bottom of a device are a little problematic. Real rockets do this by having dimples in the boosters that they can change.
The steering is very easy but there is another solution and that is to have a higher propeller and that is what Ironman does with this hand when his hands are higher then the thrust is above the center of mass and it does much morestable and on top of that he has his hand further away from his body and that increases the stability even more, in fact there is a guy who has a real life Iron Man type suit flying and he uses jets in his hands and he is much more stable You have to put them on your feet, so this is exactly how I would do it if I were to do Impact Force Guardians of the Galaxy.
I'm not sure what exactly Groot does in this case, but if he stays completely rigid like a rigid sphere then he really doesn't. it will help the people inside now if you have some kind of I don't know, in a car we call it a crumple zone where the car actually changes dimensions and crumples during a collision, this would increase the distance over which it stops, which would It would slow down the acceleration and make it more survivable for people inside another aspect of this cage idea could be one to protect from things like debris being thrown around during the crash, that would definitely work.
I mean, if you have a shell around you and something flies into that shell it could block it, that's not just what you want. For wood to be strong, you definitely want it to be flexible. Drew, maybe he can choose, maybe he can choose what type of wood it grows on so he can make it flexible and strong depending on the situation. Thank you, look, shout, the only one of you. Who has any idea if I were Groot, which I clearly am not Groot? I would have liked things to come down below the sphere that you couldn't see and have that impact with the ground first and be your crumple zone and then continue on. the rigid sphere to protect from debris and then you would have a rigid part as a sphere and then an elastic part underneath to protect the defenders, so in this scene of the defenders we have Jessica Jones super strong and Luke Cage super strong and when it hits , they would really have to consider what angle they push at if I push with a super large force, then that same force can be applied to me because forces come in pairs, forces are always an interaction between two objects, so if I horizontally hit a The person could fly across the room but I would fly the other way and that might be effective but it wouldn't look good.
There is a better way to hit. If I were a super powerful puncher and punched upwards, then that person would do it. If you push me down, they'll push me to the ground, but they won't push me back, so if you're a person with superpowers you can't just go around punching like a normal person, you have to think about the consequences of your actions, but we probably all should. do that anyway, just see how you've been. Sorry, X-ray vision. Man of Steel, so this is the part where Clark Kent starts to realize that he has powers and one of those powers is X-ray vision.
How does vision work? X-ray? I think the first question is how vision works. We see things because light reflects off them and enters our eye or perhaps it is a light source itself, but light has to enter the eye in order to see. Things, X-rays are just another type of light with that wavelength smaller than visible light, but in this case, how does Superman have they get into his eyes if the x-rays come out of his eyes he can't see them it's just going off there are In general it is definitely problematic to be able to see through people. with just a wind boost in the Avengers endgame, so Captain America has Thor's hammer and is trying to hit Thanos, he could just hold the hammer and swing his whole arm and hit him, but hitting him rope the hammer first, it makes a circular motion, the hammer is actually going at a higher speed if you correctly time your arms moving up and the hammers moving up in relation to your hand, that gives you a much higher speed upon impact with Thanos on his head, so a higher impact speed would mean a higher impact force and hopefully he would hit.
In this case, there is no real benefit to spinning multiple times except for the main benefit that it looks cool and if you're a superhero and you're in a big battle number one, you have to look cool, give me that. conclusion I think these are just great examples that even if they are not real physics, physics is still all around us and we can find it in the most trivial things, even in superhero movies, so physics in movies I am totally in favor, even if it is not. 100 percent correct because what if you had completely realistic physics and superhero movies?
It may not be as fun. Now let's go to the cinema to see correct physics. We go there because they don't really have the physics right. And I'm fine. with that

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