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A second variation of the lever is the simple machine known as a wheel and axle. A wheel and axle consists of two circular pieces of different sizes attached to each other. The larger circular piece is the wheel in the system, and the smaller circular piece is the axle.
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science.jrank.org/pages/4056/Machines-Simple-Wheel-axle...
science.jrank.org/pages/4056/Machines-Simple-Wheel-axle.html
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Simple machine - Wikipedia, the free encyclopedia
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A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leve...
en.wikipedia.org/wiki/Simple_machine
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Wheel and axle - Wikipedia, the free encyclopedia
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The wheel and axle is a simple machine. A wheel and axle is a lever that rotates in a circle around a center point or fulcrum. The larger wheel (or outside) rotates around the smaller wheel (axle)...
en.wikipedia.org/wiki/Wheel_and_axle
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The Wheel and Axle ... A wheel and axle is really two machines in one because you can use each part in different ways. The first way is to roll something along. Wheels help you move an object across the ground because they cut down on the amount ... Dirtmeister's Home | Simple Machines | Teacher's Guide | Science Observer...
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teacher.scholastic.com/dirtrep/simple/wheel.htm
teacher.scholastic.com/dirtrep/simple/wheel.htm
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Clipart illustrations of a simple machine, the wheel and axle. Wheels and axles are composed of a wheel affixed to the end of an axle, and is used to convert rotational into linear ... Wheel and axle; "The wheel and axle consists of a wheel united to a cylinder in such a way that they may turn together on a common axis.
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etc.usf.edu/clipart/galleries/Science/simple_machines_w...
etc.usf.edu/clipart/galleries/Science/simple_machines_wheel_and_axle.php
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The wheel and axle is a simple machine. ... The wheel and axle consists of a handwheel (a disc or lever arm with a handle) which turns an axle around which a chord is wound. A heavy weight attached to the chord can be lifted more easily because of mechanical advantage.
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www.edinformatics.com/math_science/simple_machines/whee...
www.edinformatics.com/math_science/simple_machines/wheel_and_axle.htm
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What is a simple machine ... Wheel and Axl ... to find simple machine resources, ideas, and lesson plans.
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www.coe.uh.edu/archive/science/science_lessons/sciencel...
www.coe.uh.edu/archive/science/science_lessons/scienceles1/finalhome.htm
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what is a simple machine? ... The screw is often turned by another simple machine such as a lever or a wheel and axle. ... The wheel and axle can also be used to increase speed. For example, if the pail falls back into the well, the edge of the wheel will move much faster than the axle. The speed of the wheel's edge...
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www.cosi.org/files/Flash/simpMach/sm1.swf
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Britannica online encyclopedia article on mechanical advantage (physics), force-amplifying effectiveness of a simple machine, such as a lever, an inclined plane, a wedge, a wheel and axle, a pulley system, or a jackscrew. ... force-amplifying effectiveness of a simple machine, such as a lever, an inclined plane, a wedge,
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www.britannica.com/EBchecked/topic/371823/mechanical-ad...
www.britannica.com/EBchecked/topic/371823/mechanical-advantage
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