1. The problem statement, all variables and given/known data Here is a picture: http://img233.imageshack.us/img233/2509/pulleywl8.png [Broken] If both the hanged weights be the same, what would be tensions in the two segments of the strings if the string is massless, but the pulley has a large mass. I think it would be the same and independent of the mass of the pulley (in equilibrium position). But my book mentions it otherwise! Why??