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wedge and screw

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by

Logan Holt

on 13 September 2016

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Transcript of wedge and screw

Logo
The History of the Screw
The screw was invented in the 1st Or 2nd century B.C.
The wedge and screw are alike because they are both inclined planes

They are used in different ways.
Likes and Differences
the wedge was first created around
2.6

million years ago!
The history of the wedge
By: Logan Holt
Wedge and Screw
Alike
Different
Why was the Wedge made?
The wedge was made to cut and split things apart
Why was the screw made?
The screw was made to raise an object to a higher elevation or greater depth.
wedge
screw
Bibliography
www.icurio.com
Full transcript