automotive tires wheels wheels car
17 Inch Steel Wheels - A wheel is mostly a circular ingredient that is intended to rotate for an axle bearing. The wheel is several aspects of the wheel and axle which is one of the six simple machines. Wheels, as well as axles, allow heavy objects turn out to be moved easily facilitating movement or transportation while supporting a load, or performing labor in machines. Wheels will also be used for other purposes, like a ship's wheel, steering wheel, potter's wheel and flywheel.Common examples are found in transport applications. A wheel greatly reduces friction by facilitating motion by rolling together with the aid of axles. In order that wheels to rotate, a second really ought to apply to the wheel about its axis, either by way of gravity or by the use of another external force or torque.The English word wheel was produced from the Old English word hweol, hweogol, from Proto-Germanic *hwehwlan, *hwegwlan, from Proto-Indo-European *kwekwlo-, an expanded style of the main *kwel- "to revolve, move around ".Cognates within Indo-European include Icelandic hjól "wheel, tyre", Greek κύκλος kúklos, and Sanskrit chakra, aforementioned both meaning "circle" or "wheel ".Precursors of wheels, also known as "tournettes" or "slow wheels", were known in the Middle East through the 5th millennium BCE (one of the first examples was discovered at Tepe Pardis, Iran, and dated to 5200–4700 BCE). These were created from stone or clay and secured down by having a peg in your center, but required effort to turn. True (freely-spinning) potter's wheels were apparently in use in Mesopotamia by 3500 BCE and maybe since 4000 BCE, along with the oldest surviving example, which was used in Ur (modern day Iraq), dates to approximately 3100 BCE.The main proof of wheeled vehicles appears during the second half with the 4th millennium BCE, near-simultaneously in Mesopotamia (Sumerian civilization), the Northern Caucasus (Maykop culture) and Central Europe (Cucuteni-Trypillian culture), so that the question which culture originally invented the wheeled vehicle is unsolved.The first well-dated depiction of any wheeled vehicle (here a wagon — four wheels, two axles) is in the Bronocice pot, a c. 3500 – 3350 BCE clay pot excavated in the Funnelbeaker culture settlement in southern Poland.The oldest securely dated real wheel-axle combination, that from Stare Gmajne near Ljubljana in Slovenia (Ljubljana Marshes Wooden Wheel) currently is dated in 2σ-limits to 3340–3030 BCE, the axle to 3360–3045 BCE.Two kinds of early Neolithic European wheel and axle are known; a circumalpine types of wagon construction (the wheel and axle rotate together, that is to say Ljubljana Marshes Wheel), and the of one's Baden culture in Hungary (axle is not going to rotate). They are dated to c. 3200–3000 BCE.In China, the wheel was certainly present while using the adoption of the chariot in c. 1200 BCE,although Barbieri-Low[9] argues for earlier Chinese wheeled vehicles, c. 2000 BC.
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TITLE: | automotive tires wheels wheels car |
IMAGE URL: | http://ecx.images-amazon.com/images/I/41iE16PlgSL._SY300_.jpg |
THUMBNAIL: | https://tse4.mm.bing.net/th?id=OIP.UA2xx_d7UacO-mubJHLePQEmEs&pid=Api&w=176&h=181 |
IMAGE SIZE: | 23129 B Bs |
IMAGE WIDTH: | 294 |
IMAGE HEIGHT: | 300 |
DOCUMENT ID: | OIP.UA2xx_d7UacO-mubJHLePQEmEs |
MEDIA ID: | F2FB311D2C27E754B145FD9B8508A7CB4A3C6EA0 |
SOURCE DOMAIN: | amazon.com |
SOURCE URL: | http://www.amazon.com/Dodge-factory-silver-finish-68089775AA/dp/B00DMA2XLO |
THUMBNAIL WIDTH: | 176 |
THUMBNAIL HEIGHT: | 181 |
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