Wheels 15 X 7quot; Brand New for Ford amp; Chevy Hot Rod Wheels Steel W
20 Inch Smoothie Wheels - A wheel is often a circular component that is intended to rotate by using an axle bearing. The wheel is one of many reasons elements of the wheel and axle which is probably the six simple machines. Wheels, along side axles, allow heavy objects turn out to be moved easily facilitating movement or transportation while supporting a load, or performing labor in machines. Wheels are usually put to use for other purposes, say for example ship's wheel, controls, potter's wheel and flywheel.Common examples are only in transport applications. One of the wheels greatly reduces friction by facilitating motion by rolling together currency axles. For wheels to rotate, a flash has to be applied to the wheel about its axis, either in terms of gravity or by the employment of another external force or torque.The English word wheel originates from the Old English word hweol, hweogol, from Proto-Germanic *hwehwlan, *hwegwlan, from Proto-Indo-European *kwekwlo-, an expanded way of the main *kwel- "to revolve, move about ".Cognates within Indo-European include Icelandic hjól "wheel, tyre", Greek κύκλος kúklos, and Sanskrit chakra, warriors both meaning "circle" or "wheel ".Precursors of wheels, called "tournettes" or "slow wheels", were known on the Middle East by 5th millennium BCE (one of the first examples was discovered at Tepe Pardis, Iran, and dated to 5200–4700 BCE). These people were made of stone or clay and secured to the floor along with a peg within the center, but required effort to turn. True (freely-spinning) potter's wheels were apparently being listened to in Mesopotamia by 3500 BCE even as early as 4000 BCE, and also the oldest surviving example, that had been obtained in Ur (modern day Iraq), dates to approximately 3100 BCE.The best proof wheeled vehicles appears inside last half belonging to the 4th millennium BCE, near-simultaneously in Mesopotamia (Sumerian civilization), the Northern Caucasus (Maykop culture) and Central Europe (Cucuteni-Trypillian culture), so the question that culture originally invented the wheeled vehicle remains to be unsolved.The primary well-dated depiction from the wheeled vehicle (here a wagon — four wheels, two axles) is in the Bronocice pot, a c. 3500 – 3350 BCE clay pot excavated from a 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.2 types of early Neolithic European wheel and axle are known; a circumalpine style of wagon construction (the wheel and axle rotate together, just as Ljubljana Marshes Wheel), knowning that on the Baden culture in Hungary (axle will never rotate). They both are dated to c. 3200–3000 BCE.In China, the wheel was certainly present while using the adoption within the chariot in c. 1200 BCE,although Barbieri-Low[9] argues for earlier Chinese wheeled vehicles, c. 2000 BC.
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TITLE: | Wheels 15 X 7quot; Brand New for Ford amp; Chevy Hot Rod Wheels Steel W |
IMAGE URL: | http://i.ebayimg.com/00/s/OTQxWDkzNg==/z/NYQAAOSwQItUI2Vr/$_35.JPG?set_id=880000500F |
THUMBNAIL: | https://tse1.mm.bing.net/th?id=OIP.Lu59YDLQic1arrFvLPiNugEqEs&pid=Api&w=178&h=181 |
IMAGE SIZE: | 19390 B Bs |
IMAGE WIDTH: | 298 |
IMAGE HEIGHT: | 300 |
DOCUMENT ID: | OIP.Lu59YDLQic1arrFvLPiNugEqEs |
MEDIA ID: | 65150C5CAEB91ACCDE8867F1FCC6D4CB739569C3 |
SOURCE DOMAIN: | ebay.com |
SOURCE URL: | http://www.ebay.com/bhp/artillery-wheels |
THUMBNAIL WIDTH: | 178 |
THUMBNAIL HEIGHT: | 181 |
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