Web Results

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.

eschooltoday.com/science/simple-machines/what-is-a-pulley.html

The Pulley Have you seen your school flag being raised before? This is possible with a simple pulley. When you pull down on the rope, the pulley turns and the ...

www.ask.com/youtube?q=What+Is+a+Pulley%3F&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 ...

www.pbslearningmedia.org/resource/evscps.sci.phys.pulley/what-is-a-pulley

One answer is to use a pulley. A pulley is a simple machine. In this original KET video, children learn about the workings of this basic mechanism. This video is ...

mocomi.com/pulley

Learn what a pulley is - a simple machine that reduces the time and energy taken to lift heavy objects through this animated learning video.

www.dictionary.com/browse/pulley

Pulley definition, a wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when  ...

www.vocabulary.com/dictionary/pulley

A pulley is a basic device or machine made of a wheel with a rim that a cord or rope fits around. The wheel and axle of a pulley make it easier to lift heavy objects ...

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.

en.wikibooks.org/wiki/Wikijunior:How_Things_Work/Pulley

A pulley is a wheel with a groove along its edge, that holds a rope or cable. Usually, two or more pulleys are used together. When pulleys are used together in ...