| C | H | A | P | T | E | R 4 |
| Forces and Newton’s Laws of Motion |

As this windsurfer is propelled through the air, his motion is determined by forces due to the wind and his weight. The relationship between the forces acting on an object and the resulting motion is discussed in this chapter. (Tom King/The Image Bank/Getty Images)

Copyright © 2007 John Wiley & Sons, Inc. All rights reserved.