Originally Posted by bowei006
I remember we did that in our class too....we were so scared of failing
Are you sure?
It requires a setup with a lot of differential equations before you understand what to do, you need to measure 4 different masses and 3 different lengths to high precision, as well as the torsion constant of the torsion spring used. Furthermore, one measurement takes over half an hour, and even talking in the same room will be enough to give a false measurement. You'd need a lot of hours of measuring to get good data, and once you do, it will take a lot of data processing to get the uncertainties out.
Not exactly high school material, if you ask me.
If you meant you measured the gravitational acceleration, then I believe you. That's done very often at high school.