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Simple Machines
Essay specific features
Written by:
Joanne W
Date added:
October 22, 2013
Level:
Grade:
A
No of pages / words:
3 / 591
Was viewed:
9993 times
Rating of current essay:
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...
displayed 300 characters
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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...
displayed 300 characters
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