Question

Describe comparison of gravitational force and coulomb force for two electron .?​

Answer 1

Answer:

The gravitaional force between two masses is alays is attractive but Coulomb force between two charges can be attractive or reupulsive depening on the nature of charges . The value of the gravitational constant G =6.26×10−11N.m2kg−2 . The value of the constant k in Coulomb law is k =9×109Nm2C−2 .

The gravitational force between two masses is independent of the medium . The electrostatic force between the two charges depends on nature of the medium in which the two charges are kept at rest.

The gravitational force between two point masses is the same whether two masses are at rest or in motion . If the charges are in motion yet force ( Lorentz force ) comes into play in addition to coulomb force.

Answer 2

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Gravitational force is proportional to the masses of interacting objects, and the electrostatic force is proportional to the magnitudes of the charges of interacting objects. Hence both forces are proportional to a property that represents the strength of interaction for a given field.

The electric force between two electrons is the same as the electric force between two protons when they are placed as the same distance. ... Instead, it depends on a new quantity: the electric charge. The unit of electric charge q is the Coulomb (C). The electric charge can be negative, zero, or positive.