STEP /: Position of Mystery Object B = Masses and Positions on Left side: M1 = X1 = Torque T1 = M2 = X2 = Torque T2 = M3 = X3 = Torque T3 = Calculated Mass of Mystery Object B = Position of Mystery Object F = Masses and Positions on Left side: M1 = X1 = Torque T1 = M2 = X2 = Torque T2 = M3 = X3 = Torque 73 = Calculated Mass of Mystery Object F =