Pulleys
By: Mandy Suhr
Series: Simple technology
Publisher: Wayland
Published: 2009
Place of publication: London
Language: eng
ISBN-13: 9780750259521
Subjects: Pulleys; Juvenile literature; Power transmission
Description: Introduces the concept of this simple machine and provides instructions for activities which explore how pulleys work. Suggested level: junior, primary.
Table of contents: title: A lifting machine; title: The idea of the pulley; title: Today's pulleys; title: Lifting high; title: Using pulleys; title: Everyday pulleys; title: Lifting heavy loads; title: Using pulley wheels; title: Using many pulleys; title: Cranes; title: More pulleys; title: Make your own pulley.