calculate the change in electrostatic force between the two balls, if charge on both the balls are increased by 10%.

Explanation

To solve the problem of calculating the change in electrostatic force between two balls when the charge on both is increased by 10%, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Coulomb's Law**:
Coulomb's law states that the electrostatic force \( F \) between two point charges \( q_1 \) and \( q_2 \) separated by a distance \( r \) is given by:
\[
F = k \frac{q_1 q_2}{r^2}
...