This is an 100 page Introductory e-Book, designed to give a flavor of the books in the "Ropes, Pulleys, Rigging Systems, and Avoiding Dangerous Resultants Book
An Advanced Skills book dealing with Mechanical Advantages - primarily Pulleys but many related items for rescue, work, and adventure. 300 pages plus of skills
Pulleys are simple machines that use a wheel, an axle and some rope or string. They are usually used to help you lift things up. Find out all about this simple
This packet acts as a fulcrum for knowledge, helping with the work of teaching students about simple machines. Explore the effects of these machines with activi