Levers, wheels, and pulleys
By: by JOhn Farndon
Series: Science experiments
Publisher: Benchmark Books
Published: 2002
Place of publication: New York
Language: eng
Number of pages: 32
ISBN-13: 9780761413417
Subjects: Levers; Wheels; Experiments; Juvenile literature; Pulleys
Notes: Includes index.
Table of contents: title: What are machines?; title: Levers: Classes of levers; title: Work and effort: Weightlifting; title: Wheels and axles: Going around; title: Pulleys and cranes: Simple pulleys; title: Turning forces: Cantilevers; title: Gears; title: Different gears; title: Experiments in science.