Title: Pulleys
Description: From elevators to flagpoles, pulleys are at work all over in our world today. Learn all about them in five easy-to-read chapters. Vibrant, full-color photos, bolded glossary words, and a key stats section let readers zoom in even deeper. Aligned to Common Core Standards and correlated to state standards. Abdo Zoom is a division of ABDO.
Subjects: Machinery, Machinery, juvenile literature