How Does a Lever Work?

Answer

A lever works by helping you overcome gravities force. This is done by making use a a fulcrum. The placement of the fulcrum can determine how much effort is needed to move an object. You can find more information here: http://www.school-for-champions.com/science/machines.htm
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1 Additional Answer
A lever is mainly used to move a large object, and there are many different types from simple machines to more complicated ones that can move large loads. The tow parts are the lever and the fulcrum it rests on.
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