A4 practical: Meccano
I got this idea after reading a question on the OCC about the motion of a bent rod balanced on a pivot. I was wondering about doing this as a class practical and thought I could make the rod out of meccano, then I realised how many other possibilities a couple of strips of meccano and a set of masses would present. The masses could be attached using meccano bolts or blutak. Alternatively magnets could be used as...