To determine which force would result in a balanced force for the tug-of-war, we first need to calculate the total force being exerted by Kiley and Jermaine.
Kiley is exerting a force of 20 N and Jermaine is exerting a force of 25 N.
Total force exerted by Kiley and Jermaine:
\[ 20 , \text{N} + 25 , \text{N} = 45 , \text{N} \]
For the forces to be balanced, Gunther needs to exert a force that equals the total force exerted by Kiley and Jermaine, but in the opposite direction.
Therefore, Gunther should exert a force of:
- 45 N in the opposite direction as Kiley and Jermaine.
So, the correct answer is:
45 N in the opposite direction as Kiley and Jermaine.