This book explains how forces such as electricity, magnetism, gravity, friction, air resistance and upthrust act and balance each other. The book explains how motion can be measured, and looks at examples of forces at work in everything from simple machines such as pulleys and levers to supersonic cars to objects in space such as planets and satellites.

 

This book is part of a book series called Physical Sciences .

There are 48 pages in this book. This book was published 2007 by Hachette Children's Group .

Andrew Solway has written over 60 books for children. He won the UK Literacy Association's award for best non-fiction children's book in 2004.