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Definitions: Machine- A device that makes work easier by changing the speed , direction, or amount of a force. Simple Machine- A device that performs work with only one movement. Simple machines include lever, wheel and axle, inclined plane, screw, and wedge. I ....

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.... a form of a lever. Our country or world would never be this evolved if it wasn't for machine. Almost every thing we do has a machine involved. We use machines to manufacture goods, for transportation, ect. In the W=F*d equation the trade of between force and distance is as you use a machine the force goes down and distance goes up. If there was no friction they would be equal and trade. There are six simple machines. They are a lever, pulleys, inclined plain, wheel and axle, screw, and wedge. The lever is used very often an example of a lever is a broom. Your hand is the fulcrum and when you sweep it is a lever. A lever consist of a fulcrum, ....