As promised, in this article we will look at anchor and belay systems in relation to mechanical advantage systems (MAS). We'll also explore how to simply figure out what a mechanical advantage ...

Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...

There may be occasions when a fire department is called upon to perform a rescue involving a heavy load or removal of a victim from above or below ground. Mechanical advantage systems increase the ...