Which changes will decrease the electric force between two positively charged objects? check all that apply. moving them closer together moving them farther apart adding electrons removing electrons adding neutrons removing neutrons

moving them farther apart

adding electrons

Explanation:

The magnitude of the electric force between two object is given by:

where

k is the Coulomb's constant

q1 and q2 are the magnitudes of the charges of the two objects

r is the separation between the two objects

From the formula, we see that F is inversely proportional to the distance, so if we move the objects farther apart, the distance r increases, and the force F decreases. Moreover, the force is directly proportional to the charges q1 and q2. Since in this problem we have two positively charged objects, if we add electrons to them we decrease the magnitude of their charges, therefore the magnitude of the force F decreases.

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