1. Let's start by stating the problem: You want to find the net torque for segment CD by subtracting two torques, 28KNm and 8KNm. 2. The formula for net torque when two torques act in opposite directions is: $$\tau_{net} = \tau_1 - \tau_2$$ where $\tau_1$ and $\tau_2$ are the magnitudes of the torques. 3. Important rule: Torque is a vector quantity, so direction matters. If the torques act in opposite directions, you subtract their magnitudes to find the net torque. 4. Applying the values: $$\tau_{net} = 28 - 8 = 20$$ 5. Therefore, the net torque for segment CD is $20$KNm. This means you are correct to subtract $8$KNm from $28$KNm to find the net torque.