What is a Pulley System in Physics

Pulley System in Physics

 

A pulley consists of a wheel mounted on an axle that is fixed to the framework called the block. The wheel can rotate freely in the block. The groove in the circumference prevents the string from slipping.

 

Fixed Pulley

If the block of the pulley is fixed then it is called a fixed pulley.

 

Moveable Pulley

 

In this pulley, one end of the rope that is passing around the pulley is tied to a firm support and effort P is applied from its other end. The load and weight to be lifted is hung from the hook of block. In this system, the pulley can move. Such a pulley is called moveable pulley.

 

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