This sample from Michael’s Racing Machine: I Wonder Why illustrates the use of simple machines to accomplish work. It provides an easy-to-understand lesson in how simple machines are all around us, making work more efficient. You will learn that a broom is a lever, nails are wedges, and a screwdriver is both a lever and a wheel-and-axle.
Details
Type Book ChapterPub Date 7/1/2014Pages 7ISBN 978-1-941316-05-4Stock # PB330X14_1