Read the following article:

http://www.qrg.northwestern.edu/projects/vss/docs/space-environment/1-what-causes-an-orbit.html

#1 Which of Newton’s Laws are responsible for planetary orbits?

#2 Describe the role of Gravity in planetary orbits.

Read the following article. Take notes on the article as you read. Number your facts as you go. You should have at least 10 points at the end of the assignment. Include a description of centripetal and centrifugal forces. Circle (in marker or map pencil) the words centripetal and centrifugal in your notes.

http://www.hometrainingtools.com/a/amusement-park-physics