Topic: Pulley
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Answers to Common Questions
What is a Pulley?
A pulley is a wheel with a groove that has a rope, belt or cable that runs inside of the groove. A pulley helps to pull the weight of an object. Read More »
Source: http://answers.ask.com/Science/Physics/what_is_a_pulley
What are Pulleys?
A pulley is a machine consisting essentially of a wheel with a grooved rim in which a pulled rope or chain can run to change the direction of the pull and thereby to lift a load. Read More »
Source: http://answers.ask.com/Science/Physics/what_are_pulleys
Who Invented the First Pulley?
The pulley was around way before inventors were named for things, so there is no real name. Archimedes invented the first compound pulley. Read More »
Source: http://answers.ask.com/Science/Physics/who_invented_the_first_pul...
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Pulley
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A pulley works by friction and they can slip unless you are using a tooth pulley and belt. Pulleys always rotate in the same direction and it takes pressure to make them move. You can find more information here: http://automata.co.uk/pulley...
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Source: http://answers.ask.com/Physics/Physics/how_does_a_pulley_work
To have a pulley, you basically need something round that you can wrap a cord around anchored. Once you anchor this, you can simply attach the cord to the object to be moved, and pull on the other end of the chord. Look here for more inform...
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Source: http://answers.ask.com/Science/Physics/how_to_make_a_pulley
The invention of pulley dates back to ancient times. Archimedes, a mathematician and inventor, made the compound pulley. There are different types of pulleys with different inventors but Archimedes seems to be the first. You can find more i...
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Source: http://answers.ask.com/Science/Physics/who_invented_the_pulley
Fixed pulley is where the wheel on the pulley does not move. The fixed pulley changes the direction of the force. The size of the force does not go up.
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Source: http://answers.ask.com/Science/Physics/what_is_a_fixed_pulley
You can make a simple pulley system using a large spool, rope, and a dowel. The spool should be able to spin on the dowel without much resistance. Firmly attach both sides of the dowel to something, then lay the rope on the spool. Your pull...
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Source: http://answers.ask.com/Science/Physics/how_to_make_a_simple_pulle...
A pulley can be made quite simply using a pulley wheel and rope. Wrap the rope around the pulley wheel and connect one end of the rope to the item you want to move, the other end is pulled by you or a machine.
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Source: http://answers.ask.com/Science/Physics/how_to_build_a_pulley
