Electric Force, Coulomb's Law, 3 Point Charges, Physics Problems & Examples Explained

This physics video tutorial explains the concept behind coulomb’s law and how to use it calculate the electric force between two and three point charges. This video contains plenty of examples and practice problems for students taking high school or college level physics.

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Here is a list of topics:

1. Coulomb’s Law – Force, Charge, and Distance Relationship

2. Like Charges Repel and Opposite Charges Attract

3. Inverse Square Law

4. Double & Triple Distance or Magnitude of Charge – What Factor will the force increase or decrease by

5. How to Calculate the Electric Force Between Two Point Charges

6. How To Calculate the Distance Between Point Charges

7. How To Determine the Magnitude and Sign of the Missing Charge

8. How To Calculate the Number of Electrons From Charge

9. How To Convert Microcoulombs Uc to Coulombs C

10. cm to m conversion and nanocoulombs nc to Coulombs C

11. How to Calculate the Electric Force Between Three Point Charges on a line

12. 3 Point Charges Forming a Triangle

14. Net Electric Force Vector on 4 Positive Point Charges Forming a Square

15. Magnitude and Direction of net Force Vector – Pythagorean Theorem

16. How to calculate the reference angle using inverse tangent & sohcahtoa

17. how to find the component force for each force vector using sine and cosine

18. F1,2 Force on 1 due to charge 2

19. F3,1 Force on 3 due to charge 1 sign convention

20. F3,2 Force on 3 due to charge 2

21. Electric Force Using Vector Components