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depends on what the pulley is on...some pulleys on air compressors are cast aluminum... others are made of steel both machined and pressed
2. Pulleys on older sail ships were commonly made of wood for cheapness and corrosion resistance. Today, any suitably rigid material may be used, depending on the service environment. Metal, plastic, ... .
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What are facts about pulleys?
Made from a wheel and rope. Used to moved loadsOne interesting fact about a pulley is that Archimedes invented it!a pulley is made from a wheel and a rope
What is a pulley - gr 4 class?
a pulley is a simple machine made of a wheel on an axle. It makes lifting easier
What kind of simple machine is venetian blind?
Venetian blinds are made with pulleys.
What kind of pulley can increase the effort force?
simple pulley simple pulley
What type of machine is used to get a flag up a flagpole?
a flag pole is a pulley
What is the Archimedes pulley?
a pulley that Archimedes made
Where was the pulley made?
in 1922 by a man called james pulley
What are pulleys made of?
a pulley is made of iron
Why pulley crowning is made?
to avoid slip
What are facts about pulleys?
Made from a wheel and rope. Used to moved loadsOne interesting fact about a pulley is that Archimedes invented it!a pulley is made from a wheel and a rope
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 is a pulley - gr 4 class?
a pulley is a simple machine made of a wheel on an axle. It makes lifting easier
What is a simple machine that is made with a rope or chain?
a pulley
What was the invention that made lifting things easy?
The 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.
