Electrical & gravitational force:which one is stronger?

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SUMMARY

The discussion clarifies that the electrostatic force, described by Coulomb's law (Fe=Kq1q2/r²), is significantly stronger than the gravitational force (Ge=Gm1m2/r²). While gravitational force is the weakest of the four fundamental forces, the relative strength of these forces depends on the specific charges and masses of the particles involved. Accurate comparisons require consideration of coupling strength rather than just force magnitude, highlighting the complexity of the topic.

PREREQUISITES
  • Understanding of Coulomb's law and gravitational force equations
  • Basic knowledge of fundamental forces in physics
  • Familiarity with the concepts of charge and mass
  • Ability to perform calculations involving electrostatic and gravitational forces
NEXT STEPS
  • Research the hierarchy of fundamental forces in physics
  • Learn about the coupling constants for different forces
  • Explore the implications of the hierarchy problem in physics
  • Study examples of electrostatic and gravitational force calculations
USEFUL FOR

Students studying introductory physics, educators teaching fundamental forces, and anyone interested in the comparative strengths of electrostatic and gravitational interactions.

shehri
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Homework Statement



I know that electrical/electrostatic i.e Coulob force is stronger than gravitational fiorce.But how much?There's too much contradiction within texts.

Homework Equations



Fe=Kq1q2/r2

Ge=Gm1m1/r2

The Attempt at a Solution



Different figures've been found in texts.Plz. give accurate figure.
 
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Surely it depends upon the charges and masses of the particles you are considering. Why not decide on a situation, then put some numbers in and find out?
 
shehri said:

Homework Statement



I know that electrical/electrostatic i.e Coulob force is stronger than gravitational fiorce.But how much?There's too much contradiction within texts.

Homework Equations



Fe=Kq1q2/r2

Ge=Gm1m1/r2

The Attempt at a Solution



Different figures've been found in texts.Plz. give accurate figure.
well...are you talking about the hierarchy problem? mmm... seems a bit advance for intro physics. OK, yes gravitational "force" is the weakest of all 4 fundamental forces (loosely speaking), but as previous poster said, it can also depend on the mass/charge of the objects involved. A direct comparsion can only be done when you are talking about coupling strength and not the force itself.
 

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