1. The problem statement, all variables and given/known data Attached, where AC=BC=2R and CD=CE=3R. I need to work out the force the cylinder exerts on the cross section (in order to work out the moment at C). So first I'm trying to work out the free body diagrams for this system. Is it as I've attached? How do I draw the tension vector? And then I'm having a hard time defining and decomposing the force vectors in terms of theta, mg etc. Can anyone lend a hand?