Chapter 6 begins with an explanation of what a force is and how they affect bodies. These forces can be either balanced or unbalanced. The chapter then continues to look at the different types of forces and how they affect objects. Students are taught how these forces interact by using free-body diagrams. This product uses the interactive capabilities of a computer. The chapter has an embedded end-of-chapter quiz, uses graphics, animations, user interactivity or embedded video on almost all pages. This product is designed to provide bite-sized pieces of information in an effort to enhance the scientific literacy of our next generation, not to overwhelm them with sheer quantity of information. Chapter 6 section titles: Types of Forces • Free-Body Diagrams • Balanced vs. Unbalanced Forces • What is friction? • Static Friction • Kinetic Friction • Sliding Friction • Rolling Friction • Fluid Friction • Chapter Concept Map • Checking Your Understanding. This product works both on a Macintosh or PC computer.