CHAPTER 6

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Gravity, Orbits, and Rockets

Starting in this chapter, you’ll explore many different forces and the types of motion they produce. Here we focus exclusively on the force of gravity. You’ll learn how gravity makes things move both on Earth and in space. And before you know it, you’ll be able to code up orbits and rockets!

Topics covered in this chapter include the following:

  • Gravity: Gravity, or gravitation, is the force that the Earth exerts on all objects near it. But there is a lot more to gravity than we’ve discussed so far.
  • Orbits: An example of the effect of gravity is to keep planets in their orbits around the Sun. Learn how to ...

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