Electric force:

$\overline{){\mathbf{F}}{\mathbf{=}}\frac{\mathbf{k}{\mathbf{q}}_{\mathbf{1}}{\mathbf{q}}_{\mathbf{2}}}{{\mathbf{r}}^{\mathbf{2}}}}$

We see that force is directly proportional to q_{1}q_{2} and inversely proportional to r^{2} (the square of the separation between the charges).

There is a force between two charged objects. To decrease the magnitude of the force, we can:

A. Move the objects **farther** from each other or **increase** the charge on either of them.

B. Move the objects **farther** from each other or **reduce** the charge on either of them.

C. Move the objects **closer** to each other or **increase** the charge on either of them.

D. Move the objects **closer** to each other or **reduce** the charge on either of them.

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