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Nairaland Forum / Nairaland / General / Education / Why Does A Dead Body Float In Water, While A Live Body Sinks? (54570 Views)
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Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Neddyogu(m): 8:42am On Jan 05, 2019 |
Hoodbilonia: Ships don't sink because they are lighter than the surrounding water. The light weight is achieved by building the visible part of the ship upon a hollow base which gives it buoyancy. This has nothing to do with being homeothermic or poikilothermic. After a while, dead bodies become less dense than water and thus float. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by brandmix: 8:42am On Jan 05, 2019 |
![]() I tried to figure out how I had managed to survive jumping into a full pool thinking I was a pro becos I was a local champion swimming in my fathers bath tube ![]() ![]() Cut long story short I saw my head come above the water once...then twice...after that my brain knew I was in trouble. As I began to sink, I recalled where the ladder was and flapped and stretched frantically in that direction till my finger tips made contact with the ladder. That stretching of my body (making it flat is what I believed saved me) Few years later during a class in physics I learned the principles of buoyancy and upthrust. ALL humans are designed to float. The higher the surface area, the more the chance of floating. A body that is "free" and not tense and is spread lateral not vertical on the water surface will float. Add to the fact that we have some gasses and liquids within us (why fat guys float better) A dead body has no fear, no resistance and hence no tension, and once it assumes a lateral position will float, even before decomposition. 2 Likes |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by statesman6: 8:45am On Jan 05, 2019 |
This is physics not biology...I think the question should be tag *scientific reason* not *biological reason* |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Damfostopper(m): 8:47am On Jan 05, 2019 |
WayStage:mah nigga... ah tell yu.... short answer.... no time for epistle 1 Like
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Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Mpanyi: 8:51am On Jan 05, 2019 |
If you understand the realtionship between density, mass and volume you will understand. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by MrSix: 8:53am On Jan 05, 2019 |
david22uu: Dino Melaye, I salute. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by doublewisdom: 8:55am On Jan 05, 2019 |
GogetterMD:Simple. No need for plenty oyibo. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by MobilityExpress: 8:57am On Jan 05, 2019 |
ProsperChild: "Mysteriously" speaking, the answer is FEAR! When you want to learn swimming, the first thing you will be taught is to overcome fear of water, to let go of your fear of water, then you begin to float immediately you let go of the fear. People who swim have no fear of water in them but people who don't know how to swim carry fear. It is the "weight" of the fear that makes them drown. But a dead body has no fear of the water anymore, so it floats. I hope with this mysterious explanation I have mysteriously cracked your mystery ![]() 1 Like |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by gaby(m): 8:57am On Jan 05, 2019 |
showafrica: Great...thanks for the lecture. I'm addicted to learning. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Rindo69: 8:58am On Jan 05, 2019 |
GogetterMD: Don’t mind the barbecue seller. He stole the answer off Quora and presents it here without citing his source. Typical plagiarist . Please credit Alex Mancini and don’t be a thief 1 Like |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Rindo69: 9:01am On Jan 05, 2019 |
post=74463623: Cite your source please. 2 Likes
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Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Paul112(m): 9:03am On Jan 05, 2019 |
david22uu: Weight of the dead body is less than the upthrust because the dead body no longer takes in oxygen and every other organs decomposes because of lack of oxygenated blood which makes the body becomes lighter in weight and vacuum created in the body hence the body floats due to body weight of d dead body lighter than the upthrust(force of buoyancy or upward force) in the water 1 Like |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Nobody: 9:03am On Jan 05, 2019 |
[s] post=74463623:[/s] IF you don't know about something then wait to read from people who know it better, don't rush to Google then coppy and paste it here without you even reading it. You rushed to copy this from ''Quora'' and paste it here just to get likes, I know you here as dumb-ass/Zombie/Sai Babarian. The OP have browsers in his phone, he has access to Google before coming to Nairaland to ask. 2 Likes
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Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Nobody: 9:08am On Jan 05, 2019 |
post=74463623: People like una nai dey do oversabi for exam and later on fail....too many irrelevant stuff you write.. .see how the next guy simplify everything 2 Likes |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by ikemesit4477: 9:08am On Jan 05, 2019 |
Very nice question, and good reply I must say! But i also want to ask a question! From where am coming from if someone get drown in the river, I mean naturally, his or her body will be spotted in a particular location after 3 days! But if someone get murdered and peradventure dump into the river , his or her body can never be spotted in the same location, as someone who was drown naturally!How can we explain these? Mind you I have witness about 3 cases, because I grow up in riverine area! |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Nobody: 9:08am On Jan 05, 2019 |
GogetterMD: The slowpoke is doing copy and paste from ''Quora'' 2 Likes
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Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by toplinetrtrend: 9:09am On Jan 05, 2019 |
post=74463623: So, you went to copy and paste from quora? Are you this dull mentally? No wonder you promote Buhari like someone that has no brain. No wonder 1 Like |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by 36STATES: 9:11am On Jan 05, 2019 |
SalamRushdie: As soon as I read first few sentences of his usual rubbish, I knew I have read it somewhere some yrs ago, at www.scienceabc.com. Buhari supporters are only good at forgery. 2 Likes |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by BrokenCock: 9:20am On Jan 05, 2019 |
post=74463623:copy n paste!who doesn't know google here? He is only trying to mk here interactive |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Lukonline(m): 9:20am On Jan 05, 2019 |
contigiency:ships are heavier than cars but ships float while cars sink...same principle |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by koyeni(m): 9:20am On Jan 05, 2019 |
Nice thread Check my signature for cheap memory cards and laptops. Free delivery within lagos |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by usebog: 9:22am On Jan 05, 2019 |
MrSix:OGA CALM DOWN |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by MrSix: 9:24am On Jan 05, 2019 |
usebog:Bro...I Don forget the principles of refrigeration. Errrmmm...lemme |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Rindo69: 9:44am On Jan 05, 2019 |
After the meat seller was caught copying and pasting, he adds the line about asking Google!!! Ignorant intellectual ... 2 Likes |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by naunasabi: 10:00am On Jan 05, 2019 |
chicoMX: This may sound strange most Westerners comfortable float in water more especially in the sea. But I have observed how most black people find it difficult to maintain buoyancy while swimming even in the sea. As for dead bodies someone already gave a good response . 1 Like |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by vaxx: 10:03am On Jan 05, 2019 |
ProsperChild:Anything At all can float on the water if they are less dense than the water (i.e.) they weigh less than the same volume of water. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by safindakas(m): 10:05am On Jan 05, 2019 |
when the ask u people to listen in class and lectures u will refuse. if u say is because of d gas in human body, what happen to a coin that is thrust in water? as time goes on, the corpse will loose it weight to the water which resulted to flotation. simple law of flotation |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by Nobody: 10:05am On Jan 05, 2019 |
anochuko01:
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Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by whatmoreng: 10:05am On Jan 05, 2019 |
sandland:An empty balloon will still float too. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by whatmoreng: 10:10am On Jan 05, 2019 |
naunasabi:Blacks are always scared. And won't keep still. Making floating difficult |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by naunasabi: 10:10am On Jan 05, 2019 |
ikemesit4477: I think that most people that drown in that river all swim around a specific place which makes the distance from where they drown to where the bodies are usually spotted approx same for all the victim. Given that as soon as they drown the process of sinking and resurfacing after drowning will take approx same time in victims of relatively same body size hence the reappearance of the bodies at almost the same spot if the process from drowning to sinking and resurfacing were not disturbed. As per murdered victim first the person is already death before being placed in the water with all air in the lungs mostly gone. Secondly the murderer may deposit in such a way that the body will remain submerged and never found or to drift far away from the place where the body was dumped to avoid suspicion. Either of these two actions will always produce different spotting spots since the murders were never in an agreement to always drop of their victim at a specific spots so that they can all pop up at the same place. |
Re: Why Does A Dead Body Float In Water, While A Live Body Sinks? by naunasabi: 10:15am On Jan 05, 2019 |
whatmoreng: That maybe one factor but being scare not in all cases. I know someone that can swim very well. We have traveled together swam together in the sea and swimming pools in hotels and this person can not float. This person swims underwater one end of the pool to the other but can't float. We have tried it many times with the help of swimming coach with no luck. I stumbled on a forum that actually confirm that there are people that can float on water while there are some that only floats in body of water with high salt contents like the sea/ocean. Since my friend can float in the sea I made a joke once that we have to head out to the black sea ( it has higher salt content than most sea) to see if that will help. |
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