1. The problem statement, all variables and given/known data http://img237.imageshack.us/img237/7580/mechhelpui7.jpg [Broken] 2. The attempt at a solution (i) Moment of F = 70 x 800 = 56000 Moment of weight = 500 x 270 = 135000 Therefore the trolley remains at rest. Is this right? (ii) Can you help me with this question please?