Hi my name is Star and I am going to tell you about my pulley system
What is a pulley?
A pulley is a type of simple machine it can help you lift something that is really heavy it has something called a groove it is made from a wheel and axle
Different types of pulleys
There are many different types of just to name a few there are a fixed pulley and a movable pulley
in this video it is a fixed pulley i am showing you a fixed pulley