How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

Coulomb’s law says the electric force is proportional to the product of the two objects’ charges when their separation stays the same. Increasing the charge on one object therefore increases the force it exerts on the other. The relationship is direct, so the correct choice is “The electric force increases because the amount of charge has a direct relationship to the force.”

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