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 the main function of pulley?

A pulley is a wheel on an axle or shaft that is designed to support movement and redirect tension. They are simple, yet powerful devices that can make small forces move large objects. Pulleys are used to make heavy work more manageable.

What is the function of this fixed pulley?

A fixed pulley changes the direction of the force on a rope or belt that moves along its circumference. Mechanical advantage is gained by combining a fixed pulley with a movable pulley or another fixed pulley of a different diameter.