Simple Machines

Simple Machines — page 1
Amicus Readers are published by Amicus P O Box 1329 Mankato Minnesota 56002 Copyright 2012 Amicus International copyright reserved in all countries No part of this book may be reproduced in any form without written permission from the publisher Printed in the United States of America at Corporate Graphics North Mankato Minnesota Library of Congress Cataloging-in-Publication Data for the hardcover edition Macken JoAnn Early 1953 Simple machines by JoAnn Early Macken p cm Amicus readers Everyday science Includes index Summary Describes how simple machines are used in construction and how they make work easier Includes experiments Provided by publisher ISBN 978-1-60753-016-9 library binding ISBN 978-1-60753-306-1 eBook 1 Simple machines Juvenile literature I Title TJ147 M226 2011 621 8 dc22 2010011285 Series Editor Rebecca Glaser Series Designer Mary Herrmann Book Designer Nicole Fischer Photo Researcher Heather Dreisbach Photo Credits Adivin iStockphoto cover Andre Comeau iStockphoto 12 20 lever David N Madden Shutterstock 10 21 middle Dusan Bartolovic Shutterstock 13 Elaine Odell iStockphoto 19 21 top fotog Getty Images 16 17 21 bottom Goran Kuzmanovski Shutterstock 5 Igorsky Shutterstock 9 Jack Atley Bloomberg via Getty Images 15 Jeffrey Hochstrasser iStockphoto 8 20 screw Joan Comalat photolibrary 7 Jonathan Drake Bloomberg via Getty Images 14 20 inclined plane Massimiliano Leban iStockphoto 1 Mushakesa Shutterstock 6 20 pulley Trevor Fisher iStockphoto 11 10 9 8 7 6 5 4 3 2 1