The Pulley Demonstration System is an experiment designed for both the student and the teacher. Its ease of use is suited for students learning the basics of mechanical advantage with pulley applications. The various kinds of pulleys and accessories make it the ideal pulley demonstration tool.
Fixed pulley, moveable pulley and pulley block are classical examples of simple machines. They are able to change the point of action, the direction or the magnitude of the force F, necessary to lift a load of weight G
Pulley is made of aluminum look beautiful.