Simple Machines

Essay specific features

 

Issue:

Science

 

Written by:

Joanne W

 

Date added:

October 22, 2013

 

Level:

 

Grade:

A

 

No of pages / words:

3 / 591

 

Was viewed:

9866 times

 

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Essay content:

AMA= Fr/Fe Efficiency- The amount of work put into a machine compared to how much useful work is put out by the machine; always between 0% and 100%. Friction- The force that resist motion between two surfaces that are touching each other. What do we use machines for? Machines are used for many things...
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Machines are used in everyday life just to make things easier. You use many machines in a day that you might take for granted. For example a simple ordinary broom is a machine. It is 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...
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