Calculating Electric Force: Neutral Sphere A & Charged Sphere B

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SUMMARY

The discussion focuses on calculating electric forces between a neutral metal sphere A and a charged sphere B. Sphere A, with a mass of 0.10 kg, is suspended by an insulating wire, while sphere B, carrying a charge of -q, comes into contact with sphere A. Upon contact, the spheres repel each other, leading to a specific configuration where the angle between the line connecting the spheres and the vertical is 90 degrees. The key formulas for calculating electric forces, including Coulomb's Law, are essential for determining the initial charge on sphere B.

PREREQUISITES
  • Understanding of Coulomb's Law for electric forces
  • Knowledge of basic physics concepts related to electric charge
  • Familiarity with the properties of conductors and insulators
  • Ability to apply trigonometric principles in physics problems
NEXT STEPS
  • Study Coulomb's Law and its application in electric force calculations
  • Learn about the behavior of charged objects in electrostatic equilibrium
  • Explore the concept of electric field strength and its relation to force
  • Investigate the principles of charge distribution in conductors
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Physics students, educators, and anyone interested in understanding electrostatics and electric force calculations in practical scenarios.

Cory
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How do I calculate Electric forces when objects are dangling from insulated wire. For example
Neutral metal sphere A, of mass 0.10kg hangs from an insulating wire 2.0m long. An identical metal sphere B, with charge -q, is brough into contact with the sphere A. The spheres repel and stelle down as shown in the following figure

.\ <) = 12
...\
...\
...\
(B)...(A)
* <) AB(top) = 90 degrees.
Calculate the initial charge on B.
 
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I don't remember these formulas if you could give me some formulas for electric forces I'd help you out!
 
Sorry, I posted this in the wrong section, it is now in the right section with the formula.
 

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