Wich factors affect the electrical force between two objects?

The strength of the charge and the distance between the two bodies.

Explanation:

According to coulombs law, electrical force is calculated as follows:

F = k (Q1 ×Q2)/ d²

where Q1 and Q2  represents the amount of charge between the two bodies while d is the distance between then.

This means the electrical force is directly proportional to the electrical charge of the bodies and inversely proportional to the square of the distance between them.

Bodies with high amounts charges will have stronger electrical forces between them than bodies with less electrical charges.

Charged bodies near each other will have stronger electrical forces between them than bodies far apart.

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