The force exerted by each team is 30 N. The forces are in the direction opposite to each other.
Force exerted by team 1, \(F_{1}=30 N\)
Force exerted by team 2,\(F_{2}=-30 N\)
Net force, \(F=F_{1} +F_{2}\)
\(=30+(-30)=0\)
Therefore, net force on the rope is 0 N.