CHAPTER 1 Amazing Aircraft 4 CHAPTER 2 Law of Motion in Action 12 CHAPTER 3 Rotor Blades Steer 16 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24
AMAZING AIRCRAFT Helicopters are unique flying machines They can hover
They can fly straight up They can even fly backward How can a helicopter do such amazing things And how does a pilot control it
