Front cover image for Pulleys


Text and activities introduce pulleys and explain how pulleys work
Print Book, English, ©2008
Smart Apple Media, North Mankato, MN, ©2008
32 pages : illustrations (some color) ; 28 cm.
9781599200842, 1599200848
What is a simple machine?
Pushes and pulls
How a pulley works
Lifting with simple pulleys
Heavy lifting with pulleys
Moving with pulleys
Pulleys in machines
Pulley wheels
Fun with pulleys: a simple pulley
Fun with pulley: a block and tackle
Find the pulley
Words to remember
Includes index