by SteveParker (Author)
Did you know...? Without friction we would not be able to walk without slipping. A layer of air can help an object to slide along. A staircase is actually a very simple machine. This book explains these facts and more about forces and motion, and shows how these scientific principles are part of our daily lives.
Format: Hardcover
Pages: 32
Publisher: Heinemann Library
Published: 01 Jun 2004
ISBN 10: 0431143145
ISBN 13: 9780431143149