Conceptualization of Free Falling Objects

[naturegal9]

Homework Statement

How does the study of free falling objects on earth inform us on the motion or lack thereof of the earth?

Homework Equations

The Attempt at a Solution

 

[CWatters]

Would have been nice to see your thoughts on the subject first but...

http://en.wikipedia.org/wiki/Galileo's_ship

http://lhsgems.org/rotates.html