Question

In which of the following interactions will the amount of force between the two objects be the strongest?

Charge and Distance Data for Electrostatic Calculations
Interaction Charge on Object 1 Charge on Object 2 Distance Between Objects
A +2 -2 1
B +1 -1 1
C +2 -2 4
D +1 -1 4
(1 point)

Interaction A

Interaction C

Interaction B

Interaction D

Answer 1

Interaction A

Coulomb's law: F ∝ |q1·q2|/r^2.
A: 4/1^2 = 4 (largest), B: 1/1^2 = 1, C: 4/4^2 = 0.25, D: 1/4^2 = 0.0625.