Pulleys are a type of lifting device. They come in different designs and sizes.
Pulley systems are used to lift heavy loads using mechanical advantage. They use a system of ropes, called a rope-way, which is supported by two or more pulleys. The system lifts the load by providing a mechanical advantage to the force applied on the rope-way. A pulley has an axle attached at one end and two or more wheels that rotate around it as it moves along its path of travel.
What are different types of pulleys?
There are three main types of pulleys based on their fixture, including: