Notes
Simple machines are tools that are made of very few parts. There are six kinds of simple machines. This series focuses on a different simple machine in each book.Contents
Contents : what is a simple machine; how a pulley makes work easier; fixed pulleys; make a fixed pulley; two or more fixed pulleys; broomstick pulley; moveable pulleys; build a moveable pulley; pulley systems; pulley systems make work easier; pulleys all around you; pulleys in real life; simple machines working together; glossary; index and web sites;
