How to float in the swimming pool. Physics of swimming. Part 1
Вставка
- Опубліковано 14 лют 2018
- Understanding the physics of swimming is a key element to help you swim faster, it doesn’t matter if you are a beginner or an experience swimmer. On this video we will go over buoyancy (meaning the ability to float) .
1- How do you float?
2- How can some people seem to float more easily than others?
3- Why is this important?
4- How do you float in a horizontal position when you swim?
By changing your center of buoyancy, keeping a good amount of air in your lungs, and by kicking! If you have your arms up, the center of buoyancy gets closer to you belly button and by kicking you create an upward force that makes the water push you up, but that is going to be explained by the laws of Newton in the next part of this series of videos explaining the physics of swimming.
5- Cool crowdfunding campaign!
Phlex Swim Crowdfunding Secret Link:
bit.ly/PhlexSwim
Source: (and a more scientific explanation)
coachsci.sdsu.edu/swim/bullet...
Skills NT Shop:
skillswimming.com/swimming-shop/
Subscribe to our email list:
bit.ly/SubscribeSkillsNT
Our favorite Amazon products:
bit.ly/SkillsNAmazon
Become our Patreon:
www.patreon.com/user?u=4140610
Instragram:
/ skillsntalents
Facebook:
/ skillsntalents
Thanks for watching!
Swim fast! - Навчання та стиль
![How to SWIM and FLOAT [Beginners Tutorial]](http://i.ytimg.com/vi/6yP9k57OkpA/mqdefault.jpg)
26 years old and dont know hwo to swim. But wish i could. This helps me cause i never understood the rationale behind it hahaha this helps me feel more confident in future attempts to learn
Thanks now I could go in the deep end with my 6 cousins playing and talking
I mentally retitled this video "Why you don't float, using physics" . It's more fitting, in my case
🌊
😛
Reasoning behind problems is the best. :)
This was such a great resource for me.
Great help..ty!
2:52 I see what you did there..
This is so helpful!
Thanks guys for responding to my suggestion and making a video on floating
Thanks for suggesting!
For me to not know how to swim i understood every word! Great job bro
Ya tenía conocimiento de varios datos que se mencionan, pero no tan bien explicados. Me encantó! 👏 👏👏
Hey brother, Can u please do a video on nutrition for swimmers and weather dryland workout should be done before or after swim?
Terimakasih ilmunya
Très pédagogique ! Ça prouve votre passion pour l'eau, merci beaucoup
Merci!
I believe extending the arms moves the center of gravity up towards the lungs and not the other way round.
I was about to write the same comment 👍
So if I can float on top of the water does that also apply to having buoyancy when I don’t touch the bottom?
Thanks to Sang Hwa Lee for this correction in the script
“Thx for good video, friends.
I found some misconception.
00:01:20,844 --> 00:01:27,706
For example, a rock is very dense, meaning that it has a lot of weight compare to its mass.
==>
compared to its "volume"... rather than "mass".
==========
Equation on the screen is Density = Mass/Volume...
I think you meant weight = "Mass".
So, the script should read as "For example, a rock is very dense, meaning that it has a lot of weight compare to its volume."
==========“
why do we float when hour body horizontally placed and sink when we are veritcally placed?
Can you send me the links to the rest of the physics of swimming videos please.
I can't swim and im trying to learn, and last time i learn something, i learned to ride bicycle successfully because of physics video, and i thought the video of swimming physics would help
good!!!!!!
Good👍👍👍
수영장에서 뜨는 방법. 수영의 물리학. 1 부
How to float in the swimming pool. Physics of swimming. Part 1
수영에 적용되는 물리학을 이해하는 것은 더 빠르게 헤엄치는 것을 돕는 중요한 요소입니다. 초보자이건 경험 많은 수영인이건 상관없이. 이번 비디오에서 우리는 뜨는 능력을 뜻하는 부력을 살펴보겠습니다.
1- 어떻게 뜨나요?
2- 왜 어떤 사람들은 다른 사람들보다 더 쉽게 뜨는 것처럼 보이게 되나요?
3- 이게 왜 중요한가요?
4- 어떻게 하면 수평으로 뜰까요?
허파에 적당한 양의 공기를 유지하여 부력 중심을 옮기고, 그리고 차기를 통해서!
양팔을 머리 위로 들면, 부력 중심은 배꼽 쪽으로 가까워집니다.
그리고 차기로, 물이 몸체를 들어 올리게 하는 윗 방향 힘을 만듭니다.
하지만 이 부분은 수영의 물리학을 설명하는 이 비디오 연재의 다음 부분에서 뉴튼의 물리 법칙으로 설명드리겠습니다.
5- 멋진 크라우드 펀딩 캠페인!
플렉스 스윔(Phlex swim) 크라우드 펀딩 캠페인 비밀 링크:
bit.ly/PhlexSwim
출처: (그리고 보다 과학적인 설명)
coachsci.sdsu.edu/swim/bullets/float36.htm
Skills NT 가게:
skillswimming.com/swimming-shop/
우리 email 목록에 가입해주세요:
bit.ly/SubscribeSkillsNT
우리가 좋아하는 아마존 제품들:
bit.ly/SkillsNAmazon
우리의 페이트리언이 되어주세요:
www.patreon.com/user?u=4140610
인스타그램:
instagram.com/skillsntalents
페이스북:
facebook.com/SkillsNTalents
시청해주셔서 감사합니다!
빠르게 헤엄치세요!
1
00:00:00,170 --> 00:00:05,459
Understanding the physics of swimming is a key element to help you swim faster.
수영에 적용되는 물리학을 이해하는 것은 더 빠르게 헤엄치는 것을 돕는 중요한 요소입니다.
2
00:00:05,484 --> 00:00:08,926
It doesn’t matter if you are a beginner or an experienced swimmer.
초보자이건 경험 많은 수영인이건 상관없이.
3
00:00:08,964 --> 00:00:14,941
On this video we will go over buoyancy (meaning the ability to float).
이번 비디오에서 우리는 뜨는 능력을 뜻하는 부력을 살펴보겠습니다.
4
00:00:15,962 --> 00:00:17,588
1- how do you float?
1- 어떻게 뜨나요?
5
00:00:17,640 --> 00:00:24,047
To understand why something or someone floats, you need to understand Archimedes' principle.
어떤 것 또는 사람이 왜 뜨는지 이해하려면, 아르키메데스의 원리를 이해해야 합니다.
6
00:00:24,182 --> 00:00:26,944
Let me try to explain it on simple terms.
단순한 용어들로 설명해보겠습니다.
7
00:00:27,027 --> 00:00:32,816
And then if you want a more scientific explanation, I will leave a link in the description for you.
그런 다음 좀 더 과학적인 설명을 원하신다면, 당신을 위해 설명란에 링크를 남기도록 하겠습니다.
8
00:00:33,292 --> 00:00:39,296
When you are in the water you push some of it to the sides and then up.
물속에 들어가면 당신의 몸은 물을 옆으로 밀어내게 되고 밀린 물은 위로 올라갑니다.
9
00:00:39,453 --> 00:00:44,091
Just like when you get in a hot tub you displace the water and the level arises.
욕조에 들어갈 때와 마찬가지로 당신의 몸은 물이 있던 공간을 대신 차지하게 되고 수면의 높이는 오르게 됩니다.
10
00:00:44,304 --> 00:00:49,633
However, in a swimming pool, gravity is going to pull that water that you lifted up, back down.
하지만, 수영장에서는, 당신이 밀어 올린 그 물을 중력이 다시 당겨 내리게 됩니다.
11
00:00:49,736 --> 00:00:54,326
So, that water pushes you up with the same amount of force that you pushed it.
그래서, 당신이 밀어낸 것과 똑같은 크기의 힘으로 그 물이 당신을 밀어 올리게 됩니다.
12
00:00:54,608 --> 00:00:59,854
This equilibrium of forces makes you float.
이 힘들 간의 평형으로 뜨게 됩니다.
13
00:01:00,187 --> 00:01:05,879
2- how can some people seem to float more easily than others?
2- 왜 어떤 사람들은 다른 사람들보다 더 쉽게 뜨는 것처럼 보이게 되나요?
14
00:01:06,569 --> 00:01:09,792
This all depends on the density of the body.
이것은 모두 신체의 밀도에 달려있습니다.
15
00:01:09,832 --> 00:01:14,749
Essentially density refers to how close the atoms in an object are from each other.
본질적으로 밀도는 물체 안에서 원자들끼리 서로 얼마나 가까이 있느냐를 의미합니다.
16
00:01:14,812 --> 00:01:20,741
The more dense an object is the closer the atoms are and the less it floats.
물체의 밀도가 클수록, 그 원자들은 서로 더 가까워지고, 더 뜨기 어렵게 됩니다.
17
00:01:20,844 --> 00:01:27,706
For example, a rock is very dense, meaning that it has a lot of weight compare to its mass.
예를 들어, 돌멩이는 아주 밀도가 큽니다, 즉 그 부피에 비하여 훨씬 무겁다는 의미입니다.
18
00:01:27,731 --> 00:01:30,568
Muscle is more dense than fat.
근육은 지방질보다 밀도가 더 큽니다.
19
00:01:30,702 --> 00:01:39,005
So a fit person with very little fat in their body floats less than a baby that has very little muscle and light bones.
그래서 지방이 아주 적은 근육질의 사람은, 뼈가 가볍고 근육량이 아주 적은 아기보다 더 못 뜹니다.
20
00:01:39,065 --> 00:01:43,026
A person with more body fat will also float more.
신체 지방질이 더 많은 사람은 또한 더 잘 뜹니다.
21
00:01:43,112 --> 00:01:44,829
3- Why is this important?
3- 이게 왜 중요한가요?
22
00:01:45,024 --> 00:01:50,671
When you are swimming you have a center of buoyancy and you always have a center of mass.
언제나 무게 중심이 있고, 수영할 때는 부력 중심이 있습니다.
23
00:01:50,814 --> 00:01:53,681
Your center of mass is very close to your belly button.
무게 중심은 배꼽에 아주 가깝습니다.
24
00:01:53,706 --> 00:01:56,790
But your center of buoyancy is close to your lungs.
하지만 부력 중심은 허파에 가깝지요.
25
00:01:56,925 --> 00:02:03,336
This is because the air in your lungs is not dense at all and it floats more.
그것은 허파 속의 공기는 밀도가 아주 작아 더 잘 뜨기 때문입니다.
26
00:02:03,591 --> 00:02:12,384
So if you stand straight and still, these two centers will align with gravity.
그래서 만약 당신이 똑바로 가만히 서 있으면, 중력에 의해 이 두 개의 중심은 수직으로 나란해집니다.
27
00:02:12,463 --> 00:02:19,011
That is also why if you blow all the air in your lungs, you sink to the bottom of the pool.
이 때문에 또한, 허파에서 공기를 모두 내쉬면, 수영장 바닥으로 가라앉게 됩니다.
28
00:02:19,054 --> 00:02:22,783
For optimal swimming you need a horizontal position.
가장 바람직하게 수영하려면 수평 자세를 취해야 합니다.
29
00:02:22,919 --> 00:02:25,699
4- How do you float in a horizontal position?
4- 어떻게 하면 수평으로 뜰까요?
30
00:02:25,807 --> 00:02:32,443
By changing your center of buoyancy, keeping a good amount of air in your lungs, and by kicking!
허파에 적당한 양의 공기를 유지하여 부력 중심을 옮기고, 그리고 차기를 통해서!
31
00:02:32,538 --> 00:02:41,545
If you have your arms up, the center of buoyancy gets closer to you belly button.
양팔을 머리 위로 들면, 부력 중심은 배꼽 쪽으로 가까워집니다.
32
00:02:41,661 --> 00:02:46,917
And by kicking you create an upward force that makes the water push you up.
그리고 차기로, 물이 몸체를 들어 올리게 하는 윗 방향 힘을 만듭니다.
33
00:02:47,010 --> 00:02:55,093
But that is going to be explained by the laws of Newton in the next part of this series of videos explaining the physics of swimming.
하지만 이 부분은 수영의 물리학을 설명하는 이 비디오 연재의 다음 부분에서 뉴튼의 물리 법칙으로 설명드리겠습니다.
34
00:02:55,118 --> 00:02:58,755
So stay tuned by subscribing.
그러니 구독 단추를 누르시고 지켜봐 주세요.
35
00:02:59,138 --> 00:03:02,849
Phlex swim is going to launch a crowd-funding campaign.
플렉스 스윔(Phlex swim)이 크라우드 펀딩 캠페인을 발표할 예정입니다.
36
00:03:02,926 --> 00:03:05,525
And it is honestly a very cool product.
그리고 솔직히 이것은 아주 멋진 제품입니다.
37
00:03:05,550 --> 00:03:09,878
I have no doubt that this product will help you improve your swim training.
저는 이 제품이 여러분의 수영 훈련을 향상하는 데 도움이 될 거라고 확신합니다.
38
00:03:09,909 --> 00:03:12,029
That is why I reached out to them.
그래서 저는 플렉스 스윔(Phlex swim)에 연락을 취했습니다.
39
00:03:12,140 --> 00:03:19,538
They are offering you, our followers, the option of getting their product at the lowest cost through a secret link.
그들은 비밀 링크를 통해 우리 팔로워 여러분께 가장 저렴한 가격에 그 제품을 가질 수 있는 방법을 제공합니다.
40
00:03:19,704 --> 00:03:22,698
All you have to do is subscribe to their email list.
여러분은 플렉스 스윔(Phlex swim)의 e-mail 리스트에 구독 신청하시기만 하면 됩니다.
41
00:03:22,742 --> 00:03:25,747
And they will let you know when the campaign goes live.
그리고 캠페인이 시작하면 여러분께 알려드릴 것입니다.
42
00:03:25,772 --> 00:03:29,459
So you can pledge and support their project and get one of these.
그러면 여러분은 플렉스 스윔(Phlex swim)의 프로젝트를 지지한다고 약속하고서 그 제품을 받으실 수 있습니다.
43
00:03:29,499 --> 00:03:31,818
The link will be in the description.
해당 링크는 설명란에 남기겠습니다.
44
00:03:31,843 --> 00:03:35,632
How do you define success?
여러분은 성공을 어떻게 정의하시나요?
45
00:03:36,546 --> 00:03:37,662
Thanks for watching!
시청해주셔서 감사합니다!
46
00:03:37,695 --> 00:03:38,586
See you next time!
다음번에 뵙겠습니다!
47
00:03:38,711 --> 00:03:39,941
Swim fast!
빠르게 헤엄치세요!
Sir: A Question raised in my mind from many year but not suitable/understandable answer i found from internet the question is is hot water more dense or cold if cold water more dense then what it mean is cold water easy to swim maybe density help in floating?
The density of water rrises with decreasing temperatures (until it reaches 4 °C), so you're floating better in cold water. It also increases your drag. But this effects are negligible.
Does this explains why I can’t get my body and arms out of the water enough to avoid drag on the power phase of the butterfly stroke? Is it because I have too much muscle?
More like not enough lift being generated, so I would look more to what is happening with your kick. Maybe poor timing maybe poor power. Alternatively your head may be raised too high, if you lower your head a bit or push your chest downwards you should be able to get your arms and shoulders higher.
he gets the physics right :D
not completly ;)
Hello guys, I have a question on how does having ur arms stretched out above ur head change your center of buoyancy?
2:32 is wrong.
Both the center of gravity and the center of buoyancy move up toward the head when you stretch your arms above.
However, the center of gravity moves slightly further up than the center of buoyancy does, because the arm has a higher density than the water.
If you have exactly same density with water all over the ur body, both the center of gravity and buoyancy will coincide no matter what your posture is.
Do a video on how to sink please because I have a problem with that. Thanks😀
And also how to improve dives and when should you kick on fly and how to improve arms for fly
Hi! We have all of those videos in our channel. Thanks for commenting. We will do a video on how to stay underwater later ;)
Skills NT wow u actually listen
At 02:40 you made me laugh so hard. #alwaysracing
Followed the steps correctly, thanks for making me almost drown. No hate, it just doesn't work for me.
Insideron you’re too skinny
@@flexxhoudini8453 damn i just realised how rude i sounded when i put that comment 😂
Im actually not skinny im a bit more than average weight
Same here. Its hard for us regular weight men
Science and physics together
when i was younger i could float so easily but now i sink like a rock
It never worked with me and I can't do it may be my body made from steal 😭
2:04 R.I.P Nose
People float so easily, even those who never went to a pool before... I just can't.
If your lungs have some air in them, you will always be buoyant. Everyone has a different center of gravity. You just have to find the correct set of motions to maximize your upwards trusts while minimizing your downwards thrust that suits your body.
I CAN ONLY FLOAT ON MY DAMN STOMACH WITHOUT MY LEGS FUCKIN SINKING
For the love of God...talk louder and clearly
😂 will try. In the meantime you can use subtitles. The “CC” option on the bottom right corner
Ask nicely maybe would be more mannerly - or get a hearing aid - I could hear it perfectly
Please translate in hindi
So, bouncy and density are all there is. Gravity doesn’t exist. Density and bouncy makes object either stay grounded or flys up to the sky.
What?
How to float= be obese :D