A stepladder of negligible weight is constructed as shown in the figure below, with AC = BC = ? = 3.60 m. A painter of mass m = 77.0 kg stands on the ladder d = 3.00 m from the bottom.

GD Assuming the floor is frictionless, nd the following. (Suggestion: Treat the ladder as a single object, but also treat each half of the ladder separately.) (a) the tension in the horizontal bar DE connecting the two halves of the ladder N (b) the normal forces at A and B at A N at B N (c) the components of the reaction force at the single hinge C that the left half of the ladder exerts on the right half rightward component N upward component N