Thursday, September 11, 2008

Lever Explanation

Levers
A lever is a simple machine and simple machines make work easier.

A lever is a straight rod or board. It is like a hand shovel. A lever is made out of 3 main parts, the fulcrum, load and effort.

There are three types of levers – third class, second class and first class. Here is a diagram of the different levers.


A lever helps people by lifting heavy things a lot quicker and easier.

Without a lever people would struggle to move heavy things.

By Jake

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