A weightlifter is engaging in a workout routine, aiming to lift a 95-kg iron block with the aid of a rope, as depicted in the figure. Determine the necessary downward force, represented as $\overrightarrow{F}$, that the weightlifter must exert to ensure the rope sags at its midpoint by 1.8 m.

• A. 1.5$\times$10³ N
• B. 1.2$\times$10³ N
• C. 7.6$\times$10² N
• D. 5.9$\times$10² N

Answer: (C)