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Pulley
by Daniel. A pulley is made from a wheel and a rope. It is used to make lifting easier. A single pulley changes the direction of the lifting force.
http://library.thinkquest.org/J002079F/pulley.htm

Welcome to X-members.com!
This is the official website of Pulley, a punkrock band from california on Epitaph. X-members: Scott Radinsky, Mike Harder, Tyler Rebbe, Jim Blowers. Former members: Matt Riddle, Jordan Burns, Jim...
http://www.x-members.com/

PRO-BELT Software for Belt Conveyor, Belt Feeder and Pulley Shaft Design.
pro-belt.com - Computer Software for Belt Conveyor, Belt Feeder and Pulley Shaft Design. Free demo for engineers, mining, coal, aggregate, gravel, cememt and bulk materials handling designers. ... a very reasonable price of 0 each without pulley shaft design or 0 each with pulley shaft design ...
http://www.pro-belt.com/

Howstuffworks "How a Block and Tackle Works"
A fascinating article that describes how a block and tackle (as well as levers and gears) works! ... In this diagram, the pulley attached to the weight actually consists of two separate pulleys on the same ... amount of friction in the pulley shafts begins to become a significant ...
http://www.howstuffworks.com/pulley.htm

Motion, energy and simple machines
Motion, energy and simple machines In this unit, students will investigate Newton's Laws of Motion and the concepts of potential and kinetic energy. Learning about why things move will help ...
http://rdre1.yahoo.com/click?u=http://www.necc.mass.edu/MRVIS/MR3_13/start.htm&y=022B5E3E8D324FC5&i=487&c=9103&q=02%5ESSHPM%5BL7ojsszf6&e=utf-8&r=11&d=wownrm-en-us&n=EB745H31NFQ417NV&s=7&t=&m=40F4CC2E&x=0147DEA39CB7EB56

The pulley
The pulley This demonstration introduces students to the concept of pulley. Students will investigate how a pulley can save time and effort in lifting. The materials needed are pulley, string of a...
http://rdre1.yahoo.com/click?u=http://sln.fi.edu/tfi/activity/physics/mech-2.html&y=027F6D1A5ACE46B2&i=487&c=9103&q=02%5ESSHPM%5BL7ojsszf6&e=utf-8&r=4&d=wownrm-en-us&n=EB745H31NFQ417NV&s=7&t=&m=40F4CC2E&x=01C20D7EC141741D

Dirtmeister: Simple Machines -- Pulley
... The Pulley. The pulley is really a wheel and axle with a rope or chain attached. A pulley makes work seem easier because it changes ...
http://teacher.scholastic.com/dirtrep/simple/pulley.htm

Pulley Engineering: Home Page
Welcome to Pulley Engineering! If you're looking for the latest in drag racing chassis components, suspension components and accessories, then look no further! ... Pulley Engineering specializes only in the sale and service of drag racing chassis and suspension ... For over two decades, Pulley Engineering has consistently set new standards of ...
http://www.mspmall.com/pulley

:: the c.u.p. ::
www.punkbands.com/pulley
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SMART96 PULLEY
PULLEY: A pulley is a simple machine made with a rope, belt or chain wrapped around a grooved wheel. A pulley works two ways. It can change the direction of a force or it can change the amount of force.
http://www.punkbands.com/pulley

Pulley
This java applet shows the advantage of a pulley. 1. There are three sets of pulley. 2. Double click within those block to change its mass. Right click to increase one unit(gravity g). Left click to decrease one unit.
http://www.phy.ntnu.edu.tw/java/wheelAxle/pulley.html

The Pulley System
Pulley systems are used in the real world to lift large masses onto tall heights. You might have seen the workers repairing the roof of a house and using the pulley system to lift their tools or materials to the roof.
http://library.thinkquest.org/27948/pulley.html

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