What Is a Pulley?
A pulley is any mechanical device that uses a wheel with a groove to turn and pull an object with a type of yarn or material. Discover the many uses for a pulley with information from a sustainable gardener in this free video on gardening....
A pulley is a wheel on an axle or shaft that is designed to support movement and
change of direction of a cable or belt along its circumference. Pulleys are used ...
Pulley. What is it? A Pulley is a simple machine made up of a wheel and a rope.
The rope fits into the wheel and one end of the rope is attatched to the load.
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.ask.com/youtube?q=What Is a Pulley?&v=LiBcur1aqcg
Feb 14, 2012 ... ... presents: What is a Pulley? Pulley is a simple machine and comprises of a
wheel on a fixed axle, with a groove along the edges to guide a ...
A pulley is really a kind of wheel, just as a screw is a kind of inclined plane. But
pulleys are so important that people give them their own category. A pulley is a ...
Sep 7, 2015 ... A pulley is a simple machine consisting of at least one axle and rope that can be
used to pull a weight. There are actually three...
Apr 21, 2015 ... An easy-to-follow explanation of how pulley wheels help you lift more by
multiplying your lifting force.
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 one end of the line