See the diagram in the attached file.
A window washer with a mass of 63.0 kg stands a distance, D = 0.800 m, from the left end of a plank of length, L= 1.90 m, with a mass of 17.0 kg. The plank is hung on two cables as shown. Find T2, the tension in the right cable.
The total torque respect to the left end of the plank must be ...
The solution carefully explains and works the problem.