Question

Balloon A is charged, and balloon C is charged. If balloon A approaches balloon C, there’ll be a force of between them.

Answer 1

I think both balloon's if they approach each other will repel and be forced away from each other.
Hope this helps

Answer 2

Electrostatic force of attraction

Step-by-step explanation:

If both balloons are charged and they approach one another there is attraction between them. This force of attraction is Electrostatic force.

From the Coulumb's Law we can also determine that both balloons are charged oppositely.