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in 1922 by a man called james pulley
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Related Questions
What is the Archimedes pulley?
a pulley that Archimedes made
What are pulleys made of?
a pulley is made of iron
Why pulley crowning is made?
to avoid slip
What are two kinds of pulleys?
A fixed pulley and a movable pulley Block and tackle is made up of both
Was the pulley man made?
The pulley is an invention, and it takes a person to invent. So, yes, it is man made. If it wasn't man made, then that would mean it just fell outa the sky. -.-"
What was the invention that made lifting things easy?
The pulley
What is a simple machine that is made with a rope or chain?
a pulley
3 examples of a pulley?
An example of a pulley sytem is a flag pole.
How did Archimedes invent pulley?
he made the pulley because he wanted to help people out so they dont have to carry all of the heavy stuff.
Who made the pulley?
lolly pop invent yeah baby
Is an axe a compound machine made up of a wedge and a pulley?
no
What is a simple machine made of a wheel and rope?
yes
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