AQA GCSE Physics Orbital motion, natural and artificial satellites 


The following resources will help you answer these questions

  1. Page 73 of the specification is your best resource to help you answer these questions. –
  2. The bbc bitesize website has good coverage of space.


  1. What is the difference between a natural and an artificial satellite? 
  2. How are they able to remain in a circular orbit? 
  3. What are the similarities and differences between planets, their moons and artificial satellites? 
  4. How can an object that is moving in a circular orbit be at a constant speed but changing velocity? Hint → Which one is a vector? 
  5. Why must the radius of an orbiting object change if its speed changes? Use the term ‘force of gravity in your answer. 

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s