A 0.094 kg meter stick is supported at its 40 cm mark by a string attached to the

A 0.094 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.798 kg object hangs vertically from the 7.48 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational and translational equilibrium. If the tension in the string attached to the ceiling is 19.9 N, find the value of the second mass. The acceleration due to gravity is 9.8 m/s^2. I JUST NEED HELP ON PART 2, see attached PNG