ISBN:

• 9781448812943
• 9781448806812

Edition: First edition.

Description: 24 pages : illustrations (chiefly color) ; 22 cm.

Notes: Includes index.

Contents:

• What is a pulley?
• The parts of a pulley
• A pulley's work
• The fixed pulley
• Movable and compound pulleys
• The first pulley
• Pulleys today
• Pulleys and you
• An experiment with pulleys
• Smooth riding
• Glossary.

LCCN: 2009053019

Control Number: 982768

Series:

• Gosman, Gillian. Simple machines at work.
• Simple machines at work

Subjects: Pulleys -- Juvenile literature.