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Topic: Wheel and axle

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	"inQuiry Almanack" - Spotlighting... - March, 1997
		As the wheel rotates the axle, the wagon moves.
		As the wheels rotate the axles, the truck moves.
		This variation of the wheel and axle is the pulley.
	sln.fi.edu /qa97/spotlight3/spotlight3.html (698 words)

	wheel and axle - HighBeam Encyclopedia (Site not responding. Last check: )
		wheel and axle simple machine consisting of a wheel mounted rigidly upon an axle or drum of smaller diameter, the wheel and the axle having the same axis.
		It is fundamentally a form of lever, the center common to both the wheel and the axle corresponding to the fulcrum, the radii of the two parts to the arms.
		The wheel and axle is not as efficient as the lever, since a part of the effort must be used to overcome the resistance of friction.
	www.encyclopedia.com /doc/1E1-wheelNax.html (525 words)

	Wheel and Axle
		Bicycle wheels, ferris wheels and gears are all examples of a wheel and axle.
		Wheels can also have a solid shaft with the center core as the axle such as a screwdriver or drill bit or the log in a log rolling contest.
		In the first example the resistance is in the mass of the wheel itself, the axle and whatever it might be connected to.
	www.usoe.k12.ut.us /curr/science/sciber00/8th/machines/sciber/machine7.htm (265 words)

	Wheel - Search Results - ninemsn Encarta
		Wheel, circular frame or disc, constructed to revolve on a central axis, and constituting an integral feature of most ground vehicles and...
		Wheel and Axle, in mechanics, simple machine consisting of two concentric wheels of different size (Machine).
		Wheel of Law (Sanskrit, Dharma Chakra), Buddhist symbol representing the Four Noble Truths and the Eightfold Path, the fundamental teachings of...
	au.encarta.msn.com /Wheel.html (148 words)

	The Wheel and Axle .........................
		Wheel and axle machines of this form are very common...
		When the wheel is attached to a vehicle, each turn of the wheel moves you farther along the ground.
		With a really big wheel, one tiny turn of the axle moves you down the road a distance equal to the much larger circumference of the wheel.
	www.worsleyschool.net /science/files/wheel/andaxle.html (476 words)

	Wheel and Axle (Site not responding. Last check: )
		The wheel and axle is a simple machine made of a large wheel secured to a smaller wheel which is called an axle.
		On most of these, the wheel and axle acts as a lever rotating around the fulcrum or the center point.
		In the picture the small rod which is the axle, is stuck rigidly to a large wheel, which is the fan blades, so that when the rod that is stuck to the wheel turns, the wheel would also turn.
	www.tooter4kids.com /Simple_Machines/wheel_and_axle.htm (174 words)

	Slovenian Marsh Yields World's Oldest Wheel
		Austrian experts have established that the wheel is between 5,100 and 5,350 years old, which makes it the oldest wooden wheel in the world ever found.
		The wheel found in the remains of the pile-dwelling settlement, has a radius of 70 centimeters and is five cm thick.
		The aperture for the axle on the wheel is square, which means the wheel and the axle rotated together and, considering the rough ground, the cart probably had only one axle.
	www.angelfire.com /country/veneti/AmerDomoOldestWheel.html (738 words)

	Wheel and Axle \| World of Invention
		The dish wheel spokes were arranged in a flattened cone, so that the tops of the wheels angled out to accommodate wider, swaying loads on narrow tracks.
		Wheels continued to be made from wood with metal rims until the 1870s, when wire wheels were developed for the bicycle.
		The wheels on early automobiles were wooden and spoked or made of wire, although some had artillery wheels (one-piece, cast iron copies of wooden wheels).
	www.bookrags.com /research/wheel-and-axle-woi (489 words)

	wheel
		A wheel and axle is a simple machine made up of two circular objects of different sizes.
		Because the wheel is larger than the axle, it always moves through a greater distance than the axle.
		A force applied to the wheel is multiplied when it is transferred to the axle, which travels a shorter distance than the wheel.
	library.thinkquest.org /J002079F/wheel.htm (116 words)

	The Wheel and Axle (Site not responding. Last check: )
		These machines are a class of devices known as the wheel and axle.
		The centre of the wheel and axle is the fulcrum of the rotating lever.
		The wheel is the outer part of it, and the axle is the inner part near the centre.
	www.freewebtown.com /simple_machines/wheelandaxle.htm (142 words)

	wheel and axle - Search Results - MSN Encarta
		Wheel and Axle, simple machine, consisting of a circular object—the wheel—with a shaft—the axle—running through and attached to the center of the...
		The wheel and axle is similar in appearance to a pulley, with one major difference: the wheel is fixed to the axle, as is the steering wheel of a...
		Search for books about your topic, "wheel and axle"
	encarta.msn.com /wheel_and_axle.html (146 words)

	Wheel Presses
		With double-end presses, wheel and axle sets are rolled into the press to working position only once, and hydraulic rams on both ends mount or demount without changing axle position.
		Wheels are easily positioned in the press at floor level, then raised or lowered to precise working height by hydraulic elevating dollies.
		In this case, the diesel wheel is of heavier construction, not as susceptible to warping, and can be removed by pressure on the rim.
	www.gfpmf.com /Presses/wheel_presses.htm (622 words)

	wheel and axle — FactMonster.com
		The mechanical advantage gained by the use of the wheel is equal to the ratio of the radius of the wheel to the radius of the axle.
		The wheel and axle is not as efficient as the lever, since a part of the effort must be used to overcome the resistance of
		Applications of the wheel and axle are numerous in everyday life; examples are the steering wheel of an automobile, the doorknob, and the windlass.
	www.factmonster.com /id/A0852032 (329 words)

	Wheel & Axle Wavefront (Site not responding. Last check: )
		A mechanical analogy of a wave front consisting of two wheels linked by an axle.
		The wave front consists of two caster wheels linked by a 50cm dowel axle; the wheels are analogous to the wavelets, while the axle mimics the wave front.
		Rolling the wave front across the paper and onto the foam at an angle (as in figure 1) means that one wheel encounters the spongy ground first and due to friction, slows.
	www.fas.harvard.edu /~scdiroff/lds/LightOptics/WheelAxleWavefront/WheelAxleWavefront.html (257 words)

	Welcome to Adobe GoLive 5 (Site not responding. Last check: )
		The axle plate is milled then welded and brazed to the frame.
		The large ho,es in the axle plate provide adjustability in the position of the axle and wheels, forward to backward and higher to lower.
		Adjustment of the axle controls the stability of the chair by alterning the center of gravity.
	www.herlpitt.org /IndiaChair/IndiaChairSH/cl_axle_wheel.html (72 words)

	Our Levers Project
		A wheel and axle is a lever and a pulley combined.
		It is a wheel combined to an axle that multiplies the force applied to it or the distance travelled, depending on what end you turn.
		When you use the wheel and axle in reverse (spinning the axle instead of the wheel), the wheel will move a larger distance.
	www.freewebs.com /leversproject/WheelandAxle.htm (191 words)

	Chapter 3 - The wheel and axle
		The steering wheel on an automobile, the handle of an ice cream freezer, and a brace and bit are all examples of a simple machine.
		Thus, the front wheel of an automobile is not a wheel-and-axle machine because the axle does not turn with the wheel.
		If the distance from the center of the axle to the handle is 8 inches and the radius of the drum around which the rope is wound is 2 inches, then you have a theoretical mechanical advantage of 4.
	www.tpub.com /machines/3.htm (454 words)

	SMART96 WHEEL AND AXLE
		WHEEL AND AXLE : A wheel and axle is a modification of a pulley.
		The wheel and shaft must move together to be a simple machine.
		Examples of wheel and axles include roller skates and doorknobs.
	www.ed.uri.edu /SMART96/ELEMSC/SMARTmachines/wheel.html (184 words)

	A Method to Compare Pinewood Derby Wheel-Axle Frictions
		The purpose of this document is to provide a sensitive method for comparing various Pinewood Derby wheel and axle treatments and lubricants.
		The support for the eyescres should be integrated with the support for the axle so that the eye of the eyescrew is in the plane of the spinning headless pin regardless of how the axle support is adjusted.
		The mass and moment of inertia of the wheel assembly, the amount of thread wound onto the ring, and the angle of thread deflection must remain constant.
	members.aol.com /standcmr/pwafm.htm (873 words)

	Simple Machines Made Simple
		A wheel and axle is made from a wheel that turns on a center post.
		The larger the wheel is, the less force will be needed to move the load.
		There are two parts to this simple machine, the wheel and the center post called the axle.
	www.beaconlearningcenter.com /WebLessons/SimpleMachines/machines007.htm (74 words)

	Pinewood Derby Cars - Wheel and Axle Alignment
		Wheel clearance, or spacing, is the easiest thing to fix and perhaps the adjustment that most people get wrong.
		If wheels are too far out from the car body, the car wobbles from sliding left or right on the axles.
		Toe relates to the difference in the distance between the front of the tires and the rear of the tires on the same axle, or to the vehicle centerline.
	www.pinewoodpro.com /pinewood-derby-wheel-axle-alignment-tool.htm (810 words)

	Dirtmeister: Simple Machines -- Wheel
		A wheel and axle is really two machines in one because you can use each part in different ways.
		Wheels help you move an object across the ground because they cut down on the amount of friction between what you're trying to move and the surface you're pulling it against.
		(The axle is the object that attaches the wheel to the object it's moving.) Since only the very bottom of the wheel touches the ground, there is less surface area to rub — and less friction.
	teacher.scholastic.com /dirtrep/simple/wheel.htm (211 words)

	Simple Machines- Wheel and Axle - Science Lesson Plan, Thematic Unit, Activity, Worksheet, or Teaching Idea
		The wheel and axle of the waterwheel will be pointed out and shown how it works.
		Wheel and axle - a wheel with a rod or post through its center; both parts move together.
		Blow toward the paper windmill, observe the movement of the paper wheel, straw and paper clip.
	www.lessonplanspage.com /ScienceSimpleMachines-WheelAxle46.htm (799 words)

	wheel - Search Results - MSN Encarta
		Wheel, circular frame or disk, constructed to revolve on a central axis, and constituting an integral feature of most ground conveyances.
		Wheel Lock, 16th century improvement in the ignition mechanism of small firearms, the first to use sparks produced by a flint against steel.
		brake, chain, crossbar, derailleur, fender, handlebars, mudguard, pedal, seat, spoke, tire, wheel
	encarta.msn.com /encnet/refpages/search.aspx?q=wheel (184 words)

	Lever, Wheel and Axle, and Pulley
		The lever, the wheel and axle, and the pulley are three simple machines that have something in common.
		It's easy to see how the wheel and axle and the pulley are related; a pulley looks a lot like a wheel and axle with a rope over it.
		In a wheel and axle, the fulcrum is in the center.
	www.edhelper.com /ReadingComprehension_24_90.html (269 words)

	links
		The wheel and axle is another simple machine.
		The axle is a rod that goes through the wheel.
		In this picture, this girl is pulling a wagon that has wheels and axles.
	www.coe.uh.edu /archive/science/science_lessons/scienceles1/wheel.htm (141 words)

	Wheel and Axle Sets, Wheels, Axles, Assembly, Forged Wheels, Cast Wheels, AAR M104 Specification
		Wheels, Tyres, Axles, Wheel Centers, Tired Wheels, Wheel sets, Axle Boxes, Locomotive Wheels of all types as per customer requests for special steel quality and specification.
		SOLID STEEL wheels for locomotives, carriage and wagon and mining car of 724-1092mm diameter RINGS of 600-2010mm in diameter and crane wheels used for lifting equipments of 550-700mm outer diameter.
		Cast steel wheels originated in United States, use of the approved wheel is began in 1965.
	www.railwayproducts.com /railroad/b-wheel.htm (353 words)

	[No title] (Site not responding. Last check: )
		The second way is by having two wheels at the end of a axle.
		The center rod, or axle, is attached to the wheel.
		The wheel is one of the most important inventions in history.
	www.mca.k12.nf.ca /sm/wheel/wheelaxle.htm (193 words)

	Wheel & Axle
		Wheels and axels act like a rolling inclined plane.
		Sometimes teeth are cut into the wheel to make gears, a special kind of wheet and axel.
		Try and make a list of 10 different places around your house where you can find a wheel and axel.
	www.grc.nasa.gov /WWW/K-12/Summer_Training/KaeAvenueES/Wheel&Axle.html (54 words)

	index (Site not responding. Last check: )
		A wheel and axle is a simple machine.
		It works by using a larger wheel that is connected to an axle that is smaller.
		A bike is like a wheel and axle because the wheel and axle make it easier for you to pedal the bike.
	www.promotega.org /AAU06009/wheel.htm (93 words)

	Wheel, Truck, & Axle Shop / Motor Shop
		The Wheel, Truck, and Axle Shop is certified by the Association of American Railroads, which means that the shop is qualified to repair axles and recondition roller bearings for all railroads in the United States.
		The wheel boring machine reconditions the center of the wheel where it joins with the axle.
		The Wheel Truing machine puts a new profile on a pair of subway wheels after excessive or unusual wear.
	www.nycsubway.org /cars/yards_coney_truck.html (281 words)

	Wheel & Axle (Site not responding. Last check: )
		A Wheel and Axle is a modification of a pulley.
		It consists of a wheel fixed to a shaft that must turn together.
		The wheel sometimes has a handle on it.
	www.simplemachines.info /wheelaxle00.htm (40 words)

	[No title]
		Made from fitting together a flattened circular shape and a cylinder shaft, a wheel and axle is a simple machine that most of us use every day without considering how it works.
		The wheel and axle share a common axis; therefore, a force applied to either the wheel or the axle will automatically move the other in the same direction.
		Because the knob (wheel) is larger than the shaft (axle), the turning force of the axle is multiplied.
	www.legoeducation.com /content/item.aspx?CategoryID=138&art=2 (252 words)

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