What Is the Function of Pulleys?

A pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. Pulleys are used singly or in combination to transmit energy and motion.

What is pulley and its uses?

Pulleys are commonly used to lift objects, especially heavy objects. The object lifted by a roller is called a load. A pulley with a wheel allows you to reverse the direction of your lifting force by pulling down on a rope (looped over the wheel) and lifting your weight.

Where are pulleys used?