Pulleys

Aim: For this assignment I intend to investigate about pulley.
The main aim of my project is to investigate pulley. I will start off with a few lines about what the pulley is and what is used for;
Pulley is used to lift objects. A pulley consists of a grooved wheel and a rope threaded around the disk. The disk of the pulley rotates as the rope moves over it.
Pulleys are used for lifting by attaching one end of the rope to the objects, threading the rope through the pulley and pulling on the other end of the rope. A single pulley reverses the direction of a force.
When two or more pul…