How Does a Pulley System Work?

Answer

A pulley is one of the best of the 'simple machines'. The way it wors is using a block and tackle, it allows you to use half the force needed to pick something up, or move it.
Q&A Related to "How Does a Pulley System Work"
A pulley system is used to lift up heavy or large objects. These systems are often seen on construction sites. The pulley system has at least one pulley-sometimes more-and a rope.
http://www.ehow.com/facts_5006294_what-pulley-syst...
A double pulley system is simple. Instead of one wheel like the. single pulley system has, the double pulley system has two. wheels and carries more heavier loads than the single
http://wiki.answers.com/Q/What_is_a_double_pulley_...
A pulley system consists of one or more pulleys and a rope or a cable used to lift large
http://www.chacha.com/question/what-is-a-pulley-sy...
As far as I know the pully systems were used in building the old egyptian pyramids around 5000BC,more over in Europe they believe that the Hedge Stones in England was built using
http://answers.yahoo.com/question/index?qid=200811...
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Ask.com Answer for: how does a pulley system work
How Does a Pulley System Work?
The pulley is a simple machine. The purpose of a pulley system is to be able to move a heavy object with less effort. It is made up of a rope or belt that is wrapped around wheels. The wheels are attached to brackets on the sides so that they can turn... More »
Difficulty: Easy
Source: www.ehow.com
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The double pulley system works by transferring energy to make it easier to move heavy objects by the use of two pulleys. A rope or belt is placed around a wheel, ...
A pulley system is an appliance that is used to lift up heavy or large objects. The mechanical benefit of a pulley system is equivalent to the amount of ropes ...
To build a pulley system you will need to gather some supplies. You can purchase two small pulleys from your local hardware store. You will also need some weights ...
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