Contents
Electric force definition, formula, and examples
The electric force is an attractive or repulsive interaction between two charged bodies. Just as it is used in our everyday life, the term “force” can be look in different form and areas. In physics, a force in an interaction between two objects, having the ability to change the motion of one or both of the objects.
The electric force exists as one of the most fundamental forces of the universe. It occurs between all charged particles. The electric force between two electrons is equal to the one between two protons if been placed at equal distance. Hence, electric force depends on the quantity known as electric charge, not on the mass of the object.
The formula of electric force
Just as mentioned earlier, electric charge occurs in charged particles that can be found inside atoms known as protons (positive) and electrons (negative). They are the smallest charged particles that existed.
Examples of electric force
- When brushing or combing your hair, as the hair is brushed on cold or dry days, electrons from the air is transferred to the comb. The hair now remains positively charged
- When a child slides down a plastic slide, each strand of her hair becomes positively charged
- A charge in a bulb
- Electric circuits
- The shock felt after touching a doorknob
- Static friction between cloth when robbed by a dryer
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