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Pulleys And Levers

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sebastian sanhueza

on 28 April 2010

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Transcript of Pulleys And Levers

There are three types of levers. a class one lever, class two lever, and class three lever. For example, a Scissor is an example of a class 1 lever because, its load is here L E Effort F Fulcram now that you now what a class one lever is lets see what a class two lever is. Take a bottle opener for example. A bottle opener is a great example of a class two lever. Effort Load Fulcram E L F now the last kind of lever is the class three lever and the best example would be a Broom. Effort Load Fulcram E L F levers are used for lifting loads. a normal object can easily be a lever. like the broom i showed you. it was a class three lever. so now you now the three kind of levers. What levers are used for: Levers And Pulleys Levers Class one lever C CC hjkdshfl;kajfglkdsjl;ksajfladj Class two lever Class three lever Single fixed pulley This pulley is one of the easiest to make. a single fixed pulley
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