A pulley is a wheel on an axle or shaft that is designed to support movement and
change of direction of a taut cable, rope or belt along its circumference. Pulleys ...
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Feb 14, 2012 ... Pulley is a simple machine and comprises of a wheel on a fixed axle, with a
groove along the edges to guide a rope or cable. Pulleys are used ...
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 ...
May 29, 2016 ... An easy-to-follow explanation of how pulley wheels help you lift more by
multiplying your lifting force.
April 2016 - 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.
These pulleys are used on many buildings. This is from an old boat. These
pulleys are located in fields. You need two of these and a line. Marinepulley ...
Define pulley: a wheel or set of wheels that is used with a rope, chain, etc., to lift
or lower heavy objects.
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