Volpe, Karen. <br/><br/>
Get to know pulleys /  [book] 

 - New York, NY :  Crabtree Pub. Company,  2009. 
 - 32 p. :  col. ill. ;  29  cm. 
 - Get to know simple machines .
<br/><br/> Includes index. 
<br/><br/>How a pulley makes work easier -- Fixed pulleys -- Make a fixed pulley -- Or more fixed pulleys -- Broomstick pulley -- Moveable pulleys -- Build a moveable pulley -- Pulley systems -- Pulley systems make work easier -- Pulleys all around you -- Pulleys in real life -- Simple machines working together -- Glossary. 
<br/><br/><label>ISBN: </label>9780778744856 (pbk. : alk. paper) 9780778744689 (reinforced library binding : alk. paper) 
<br/><br/><label>LCCN: </label>2009004585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pulleys
<br/><br/><label>LC Class. No.: </label>TJ1103  / .V65 2009 
<br/><br/><label>Dewey Class. No.: </label>621.8 VOL