BY MATT R.
What is a Pulley?
Did You know you can lift an elephant with a pulley ? A pulley is a simple machine. A pulley is made up of 3 parts. The parts are a rope, a load and a grooved wheel. A pulley can be wood, metal or plastic. Did you know you use a pulley when you open a blinds on a window ? Hope you learned a lot about Pulleys:)
Lots and lots of cranes.
Cranes use pulleys to lifts things.
A clothes line.
On a clothes line you hang your clothes on a rope that is wrapped around a grooved wheel.
A Ski Lift
A ski lift pulls people up a mountain using pulleys.