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www.explainthatstuff.com/pulleys.html

May 18, 2017 ... A pulley is simply a collection of one or more wheels over which you loop a rope to make it easier to lift things. Pulleys are examples of what ...

www.teachengineering.org/lessons/view/cub_simple_lesson05

Apr 26, 2017 ... By using a pulley, we do not have to pull up on a rope to lift a heavy object .... is used to make work easier (provides a mechanical advantage).

www.ask.com/youtube?q=How+Does+a+Pulley+Make+Work+Easier%3F&v=LiBcur1aqcg
Feb 14, 2012 ... Understand and learn about how these machines make work a lot more easier and less time ... Do you know how a #pulley makes life easier?

www.quora.com/Physics-Homework-Questions-How-does-a-pulley-make-your-work-easier-A-reducing-the-effort-applied-B-converting-linear-to-circular-motion-C-reducing-the-load-to-be-lifted-D-by-increasing-the-strength-of-the-rope

A pully is simply a circular lever. The same amount of work is required, but you exchange one unit for another. To lift 10 pounds one foot requires 10 foot-pounds of ...

www.reference.com/science/pulley-make-work-easier-6fe856932f428fb6

A pulley makes work easier by redirecting and amplifying force. It helps reverse the direction of an individual's lifting force. As a user pulls a rope down, the ...

sciencing.com/pulley-system-work-5004272.html

Apr 24, 2017 ... The purpose of a pulley system is to be able to move a heavy object with ... in that pulling down on the rope is easier than pulling up on the object. ... The simple pulley mentioned above can even have a pulley added to create ...

www.reddit.com/r/explainlikeimfive/comments/1c9xmq/eli5_how_do_pulleys_reduce_the_weight_of_an_item

Apr 13, 2013 ... Since 5th grade science I've known that using a pulley reduces the ... Make sure to read the rules. ... ELI5: How do resealable aluminum cans work and why aren't they the norm? ... ExplainedELI5: How do pulleys reduce the weight of an item ... just taking more time to do it, and that's what makes it easier.

www.livescience.com/49106-simple-machines.html

Dec 12, 2014 ... Humans have invented six devices that combine to make work easier. ... and axle , the lever, the inclined plane, the pulley, the screw and the wedge. ... us with the means to do many things that we could never do without them.

www.homesciencetools.com/a/simple-machines-science-teaching-tip

Simple machines make work easier by multiplying, reducing, or changing the ... A fixed pulley is used to change the direction of force needed to do work; in order ...

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. ... A crane uses pulleys to help it lift heavy loads. ... 3 How does it work? ... More pulleys makes it easier to pull (or they allow you to pull a heavier load), but you ... Not logged in; Discussion for this IP address · Contributions · Create account · Log in ...