Levers
By: Dwayne Stilwell
Series: Simple machine science
Published: 2013
Language: eng
ISBN-13: 9781433981364; 9781433981371
Copyright date: 2013
Subjects: Levers; Juvenile literature
Notes: Includes bibliographical references and index.
Table of contents: title: What's a lever?; title: Load and effort; title: What's a fulcrum?; title: Class one lever; title: Class two lever; title: Class three lever; title: In the home; title: At work with levers; title: Levers inside you.