A rock is released from rest, in deep space, far from the earth. At a certain point, as it falls towards us, it crosses the moon's orbit.

When the rock is the same distance from the earth as the moon, the acceleration of the rock is
BLUE: Greater than
YELLOW: Equal to
PINK: Smaller than
the acceleration of the moon
| Physics 2010 home page. | Prof. Pollock's home page. | Physics Dep't | Send me your comments |