block and pulley

Have you ever watched someone use a block and tackle and wondered how it worked? Maybe you saw it used in a playground and were left wondering. Perhaps it was when you saw your first pulley set up in a garage and asked what that guy was doing? If so, you’re in the same boat as most people. Nobody knows what the heck is going on with that pulley system.  This article explains the workings of a block and tackle system.   What is block and tackle?  Block and tackle is a device used to lift heavy loads using ropes and…