1. In this case its representing Newtons 3rd
Law. The girl would have a greater
acceleration because she has a lighter
mass.

2. Like the movie Ice Princess
Casey the main character
was very interested in figure
skating, was she very good at
it at first... No. But Casey was
a very intelligent student and
discovered
the
science
behind figure skating. She
applied school smarts into
figure skating becoming a
very talented figure skater.
MovieTrailer: http://www.youtube.com/
watch?v=PDKV3ZkbQg4