Hey,
study for Physics test =]
it is on this coming friday ,28th August 2009[to be more specific]..
Good luck.
i think Moments ,Stability and pressure are tested. argh.
All the best..
it might be tiring to just sit there and read through...
but just remember it's for yourself.
give yourself a sense of satisfaction..
and at the very least, make sure you can answer that you have done your best.