TABLE OF CONTENTS CHAPTER 1 Wheels and Axles 4 CHAPTER 2 Kinetic Energy 12 CHAPTER 3 Friction 16 ACTIVITIES TOOLS Try This 22 Glossary Index To Learn More 23 24 24
CHAPTER 1 WHEELS AND AXLES Do you remember learning to ride a bicycle It looks easy But there's a lot of physics to master in order to ride 4 CHAPTER 1
Exploring everything that makes a bicycle work would take many many books So let's focus on what gives the bicycle its name the wheels CHAPTER 1 5