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About Pulleys
A pulley is a simple mechanical device. Use of a pulley system can result in a significant decrease in the force or energy required to move or lift an object. Pulley systems are used in cranes, sailboat rigging, winches and engine hoists, to name a few... More »
Difficulty: Easy
Source: www.ehow.com

en.wikipedia.org/wiki/Pulley

A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable. The supporting shells are called blocks.

www.amazon.com/pulleys/b?node=511408

Results 1 - 24 of 11212 ... Shop through a wide selection of Pulleys at Amazon.com. Free shipping and free returns on Prime eligible items.

www.explainthatstuff.com/pulleys.html

May 18, 2017 ... An easy-to-follow explanation of how pulley wheels help you lift more by multiplying your lifting force.

www.brainpop.com/technology/simplemachines/pulley

In this BrainPOP movie, Tim and Moby teach you about pulleys, which are among the most useful tools ever invented. Pulleys decrease the amount of effort you ...

www.surpluscenter.com/Pulleys/Finished-Bore-Pulleys

Results 1 - 15 of 330 ... Finished Bore Pulleys,Pulleys, SINGLE GROOVE PULLEY Brand new. Single groove, cast iron pulley with smooth bore and set-screw (no ...

www.harborfreight.com/material-handling/rope-pulleys.html

Rope pulleys and heavy duty trolley wheels at Harbor Freight Tools. Cheap prices on rope pulley hoists, trolley wheels and more load handling tools.

www.grainger.com/category/sheaves-and-pulleys/power-transmission/ecatalog/N-aqz

Look to Grainger for sheaves and pulleys ideal for countless lifting applications, regardless of size or weight. Simplify your heavy hoisting jobs. Shop today!

www.ask.com/youtube?q=Pulleys&v=LiBcur1aqcg
Feb 14, 2012 ... In parts 0:09 to 0:22 they showed him using a pulley and it made it easy but in real life that would just change the direction of where you need to ...

science.howstuffworks.com/transport/engines-equipment/pulley.htm

A block and tackle is an arrangement of rope and pulleys that allows you to trade force for distance. In this edition of How Stuff Works we will look at how a block ...