What are similarities and differences between Coulomb law and Newton's law of universal gravitation?

Answer 1

Coulomb's Law states: The magnitude of the electrostatic force between two point electric charges is directly proportional to the product of the magnitudes of each charge and inversely proportional to the square of the distance between the chargesNewton's Law of gravitation states: Every point mass attracts every other point mass by a force pointing along the line intersecting both points. The force is proportional to the product of the two masses and inversely proportional to the square of the distance between the point masses:Similarity: 1) Both apply the inverse-square law; intenity inversely proportional to square of the distance. 2) Talking about spherical objects i.e. point charge, point mass. Differences: 1) one is about large mass; one is about small size huge charges. 2) Gravitation is ONLY ABOUT attraction and NO repulsion. Coulomb's force has both attraction and repulsion

Answer 2

the common thing is attraction between different matters which have different electrical charges . only one thing is different between this laws. coulomb's law says that matters which have same electrical charges, pushes the other matter

Answer 3

Coulomb's Law states:The magnitude of the electrostatic force between two point electric charges is directly proportional to the product of the magnitudes of each charge and inversely proportional to the square of the distance between the chargesNewton's Law of gravitation states:Every point mass attracts every other point mass by a force pointing along the line intersecting both points. The force is proportional to the product of the two masses and inversely proportional to the square of the distance between the point masses:

Similarity:1) Both apply the inverse-square law; intenity inversely proportional to square of the distance. 2) Talking about spherical objects i.e. point charge, point mass.Differences:1) one is about large mass; one is about small size huge charges. 2) Gravitation is ONLY ABOUT attraction and NO repulsion. Coulomb's force has both attraction and repulsion

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Answer 4

The similarities come in the way of the "form of the equation".

Newton's law: F=g*[m1m2/r2]

Coulombs law: F=k*[q1q2/r2]

they are both inverse square laws and both multiply one property of each material together and have a constant factor [g in newton's and k in coulombs]

Answer 5

Similarities:
* Both are inverse-square lawsDifferences:

* Electric forces can both be attractive and repulsive

* Gravitation acts on masses; electric forces work on electric charges.

Answer 6

They have the same dependence on distance between two charges/particles.

Answer 7

They're algebraically identical. The difference is the size of the proportionality constant.

Negative masses don't figure.

Answer 8

The forces are electrical versus gravitational.

Answer 9

Both have forces involving the inverse square.