The Amazing Pulleys
by Julia & Kennedy
What is a pulley?
One type of simple machine is a pulley. A pulley has a grooved wheel and a rope. The groove keeps the rope in place. It is a simple machine that helps pull things up like a flagpole. Wishing wells, curtains and elevators are also use pulleys.
What pulleys can do
A pulley helps you with a lot of things like in construction when they need to lift wood. These are some things that have pulleys. A tree picnic, zip line, clothesline. Pulleys help you so much in your life.Thats why you should use them.