Simple Machines

The Lever

Just like a seesaw, as one side of the lever goes down, the other side goes up.

Created with CAST's UDL Book Builder
CAST would like to thank Texthelp Inc. for use of the SpeechStream toolbar

Things you should know: -When you use a lever, you are trying to lift a heavy object that you normally can not lift.

The point in the middle is called a fulcrum. The part you are trying to lift is called the load. The moment when you put energy into this system is called the effort.

Listen

When you move the fulcrum it will change the amount of effort required. Which way do you think you can move the fulcrum to make it easier? Towards or away from the load?

Listen

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