According to the story, a crown for King Hiero II was made by the makers of the crown, and the king ordered Archimedes to check if the crown was really made of pure gold or silver containing additional material. Because of King Hiero II do not trust the manufacturers crown.
Archimedes moment to soak in the tub, he noticed that the water in the tub spilled out equally to the body. Archimedes realized that this effect can be used to calculate the volume and content of the crown. By dividing the weight of the crown with a volume of water displaced, the density and weight of the crown could be obtained.
Density of crown would be lower than the density of pure gold when the crown maker cheat and add a silver or metal with a lower density. Because too happy with this discovery, Archimedes jumped out of the tub, forget the dress first, and ran out into the street and screamed "EUREKA!" or '"I find it"
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| Archimedes Screw |
At that time, the ship made by Archimedes is the largest ship. To be able to float, it must be dried first vessel of water that flooded the deck of the ship. Because of the size of this vessel, the amount of water that must dipindahkanpun very much. Because of that Archimedes created a device called "Archimedes Screw". With this water can be easily aspirated from the deck of the ship.
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| Compound Pulley |
The size of a large ship has also caused other problems. The mass of a heavy ship, causing it difficult to move. To overcome this, re-creating Archimedes pulley system called "Compound Pulley. " With this system, the ship and its crew and its cargo can be moved simply by pulling a rope. This pulley system until even now is still applied in daily life, eg the well pulley, a pulley that is used by a builder, etc..
The ship was later given the name Syracusia, and became the most phenomenal ships of that era.Archimedes designed a number of means of defense to prevent the Roman troops under the command of Marcus Claudius Marcellus, seized the land of his birth, and attacked the king of Syracuse Hiero II. When the Roman fleet of 120 ships began to appear across the ocean, Archimedes tried hard to prevent and disrupt enemy forces landed on the coast of Syracuse.
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| Claw of Archimedes |
When the enemy began to surround the coast of Syracuse, Archimedes re-issued its flagship tool. called the "Claw of Archimedes". The goal this time is to find a way to sink the ships of this Roman. This tool looks like a crane in the present. Once the tool is secretly linked to the body of an enemy ship, a crane was later withdrawn. As a result, enemy ships will be shaky, or even torn and drowning.
The length and width of the box or square objects easily measured with a ruler, but who managed to calculate the size of the ball? Archimedes' calculation of the curve balls accurate about the mathematical constants used for Pi or π. Although the levers have been found long before the birth of Archimedes, Archimedes who developed the theory to calculate the load required to lever it.
So we can see that archimedez not only practiced as a science of physics to be hard, but he makes physics as a tool which is useful in everyday life. Tools that adhere to the principle of archimedez are scales, incredible useful .... lol. imagine if if the scales do not exist, then the gold or vegetable sellers in the market will continue to hassle the suspect by his buyer.
