Volpe, Karen.
Get to know pulleys / [book] - New York, NY : Crabtree Pub. Company, 2009. - 32 p. : col. ill. ; 29 cm. - Get to know simple machines .
Includes index.
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.
9780778744856 (pbk. : alk. paper) 9780778744689 (reinforced library binding : alk. paper)
2009004585
Pulleys
TJ1103 / .V65 2009
621.8 VOL
Get to know pulleys / [book] - New York, NY : Crabtree Pub. Company, 2009. - 32 p. : col. ill. ; 29 cm. - Get to know simple machines .
Includes index.
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.
9780778744856 (pbk. : alk. paper) 9780778744689 (reinforced library binding : alk. paper)
2009004585
Pulleys
TJ1103 / .V65 2009
621.8 VOL