The objects in interaction A are farther apart than in interaction B.
What is coulomb's law?
According to Coulomb's law: The magnitude of each of the electric forces with which two point-at-rest charges interact is directly proportional to the product of the magnitude of both charges.
And inversely proportional to the square of the distance that separates them and has the direction of the line that joins them.
The formula will be given as:
] [tex]F=\dfrac{kq_1q_2}{r^2}[/tex]
Intersaction A is having weak force since the magnitude of the force is same in both interaction A and B from the formula of force the force is also dependent on the distance between the charge.
Thus the weak force in the interaction A is due to the higher distance between the two charges.
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