Inclined Planes and WedgesPaperback - 2002
What is an inclined plane? How do you use a wedge? Using easy-to-understand examples and fun-to-do experiments, discover how these two simple machines work and make the work that you do easier.
Publisher: Minneapolis, Minn. : Lerner Publications Group, c2002.
Characteristics: 47 pages :,color illustrations ;,22 cm.