The Reason Why Ship Float And Needle Sink
steemstem·@mayowadavid·
0.000 HBDThe Reason Why Ship Float And Needle Sink
~2.jpg) <sup>A large floating ship[source](http://www.shipspotting.com/./photo.php?lid=1174233) There have been a lot of question from different individual on the reasons why large ship float, some will regard it as a craft. Since it is some form of misery that remain unknown to them. Today I will be revealing the misery behind while ship float. Why not stay at a relax position as I explain in details the misery behind ship floating. *** The first thing you will need to know is that for any object to float on water such object must be positively buoyant (force) or less dense than the fluid in which they are on. As you may still be confuse of what it means to be positively buoyant or less dense. **positive buoyance items**are items which buoyance force is great in a way that it can fight the pull of gravity. A perfect example of this kind of buoyance is a football, when a football is thrown into at a force into water, without any form of space in which water can get into the football, the football will tend to fight the gravity and float back at the surface. *** In other to be able to be to understand how ship float on water there is need to understand in detail some key concept, which will help for easy understanding of the misery behind a floating ship. Some of these principle is as follows, **buoyancy, density** ***  <sup>[buoyancy source](https://en.m.wikipedia.org/wiki/Buoyancy)</sup> **Buoyancy** is usually refer to as a force that move upward instead of it moving downward in opposite to the law of gravity which state that an object will always move downward. Which means that buoyancy in this sense is used to refer to as an upward movement of an object. How does this upward movement occur? May be the next question you may want to ask, this movement occur only if some certain criteria are met. The first requirement is that the objects have to be in a fluid, that is in liquid, gas or some other moving electrons which is not in solid form, since the electrons are usually held in a place. While the other requirement that need to be met is that such a fluid have to be of a measurable density, which is a vacuum of space. When these requirements have been met then buoyancy will occur. There might some question on buoyancy you may still want to ask some of which is, how come people can float on water, while some still find it difficult to float on water? The answer to the question is that those that find it difficult to float then to obey the law of gravity by fighting harder to survive in water which make them to sink the more they fight.  <sup>Obeying the rules of buoyancy[back float](https://m.wikihow.com/Float-on-Your-Back)</sup> While those that float on the water will always free their looking up through the sky with their back floating on the water by release their body. *** **Density** as we all know that density is usually use to refer to describe the weight of an object relating to its size or mass per unit of its volume. Density in technical term is defined as the weight (mass) of the body in kilograms (kg) divided by its external volume in cubic meters (m3). The formula for density is: density = weight/volume (kg/m3). .jpg) <sup>[source](http://easyscienceforkids.com/density/)</sup> ***Using the following examples of density for different fluids and materials to explain material density and why they float as shown below.*** - Fresh water: 1,000 kg/m3 - Salt water: around 1,025 kg/m3 - Certain oils: around 850 kg/m3 - Wood: around 700 kg/m3 Looking at the above the only material that will float on water is oil and wood because they have densities that are lesser than that of water. Which simply implies that an object buoyancy is determined by its density in relation to the density of its surrounding. After having a clear understanding of this concept, then it will become quiet easier to understanding the misery behind a floating ship, despite its weight. *** Looking at the requirement that need to be met before buoyancy take place is, which is having a fluid to be of a measurable density, which is a vacuum of space. The ship in this instance have lower compartments separated in a layers which have wide vacuum of space, that is the ship have a much more bigger space filled with air which will make it respond to buoyancy. That is an upward movement of the ship, instead of obeying the law of gravity. **The principle of Archimedes** made it known that the volume of water that is spilled when a ship is been sailed will be equivalent to the volume of space that the body occupies. Which lead to the conclusion that an object in fluid experiences an upward force equivalent to the weight of the fluids displaced by the object. ***  Just the way there will be an upward movement due to the amount of air in a balloon even when forcefully deepen into an ocean will lead to an upward movement, the same is applied to a cheap. But if a ship is overload then it will sink. So also is a balloon, when it is over weights it will sink in the water. *** By now you must have understand that the density of a ship become less the bigger the hull of the ship, which give room for more air space and result in a lesser density to the water. All ship are designed in a way to achieve a density lesser than the water despite its material weight which will make the ship float. ### References - [www.gard.no](http://www.gard.no/web/updates/content/20651856/why-do-ships-float) - [Wikipedia ](https://en.m.wikipedia.org/wiki/Buoyancy) - [seaperch.org](http://www.seaperch.org/how_things_float)  <sup>[steemstem](https://steemit.com/steemstem/@steemstem/steemstem-distilled-15)</sup>
👍 mayowadavid, onyechi, bcrafts, jamjamfood, hr1, siraspurjitu, bue, mrtt, muxxybot, ethandsmith, okoro, tango123, natureofbeing, casweeney, folakere, unicornia, steemnaira, michaelcj, rubiztech, tfame3865, valency1, phunke, aauthespian1, omowunmi, swissrose1993, safat, ewuoso, horpey, plojslydia, coolguy123, pyaesoneaung1774, bustami83, skaybliss, thedrewshow, acheever, mirza-kun, dxdei, bollutech, otemzi, hrhmikelength, jutdagut, trydaily, tijani, chemistry0, honourmaus, mickey1036, chimzycash, kingsolo, senseibabs, goddywise4-eu, fiifi56, meansunlare, sanyjaya, rtonline, tariksaran, kenking, victoryudofia, greenpower, steempageantshow, motivatorjoshua, muhammadalikatu, smokeasare165, techmojo, hassanics, nmalove, dante31, eurogee, davidmind,