Download or read book Simple Machine Experiments Using Seesaws, Wheels, Pulleys, and More written by Robert Gardner and published by Enslow Publishing, LLC. This book was released on 2012-07-01 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes experiments involving simple machines that follow the scientific method, explores the use of levers to control motion and lift, and shows how the steepness of inclined planes affects the force needed to move something.