Coulomb's Law (Electric Force) Video Lessons

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Problem: Two charges q1 and q2 are separated by a distance d and exert a force F on each other. What is the new force F ′ , if charge 1 is increased to  q ′1 = 5 q1, charge 2 is decreased to q ′2 = q2 / 2, and the distance is decreased to  d ′ = d / 2? Choose one. 1. F ′ = 5/2 F 2. F ′ = 5/4 F 3. F ′ = 20 F 4. F ′ = 25/4 F 5. F ′ = 50 F 6. F ′ = 25/2 F 7. F ′ = 100 F 8. F ′ = 5 F 9. F ′ = 25 F 10. F ' = 10 F

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Problem Details

Two charges q1 and q2 are separated by a distance d and exert a force F on each other. What is the new force F ′ , if charge 1 is increased to  q ′1 = 5 q1, charge 2 is decreased to 2 = q/ 2, and the distance is decreased to  ′ = / 2? Choose one.

1. ′ = 5/2 F

2. F ′ = 5/4 F

3. F ′ = 20 F

4. F ′ = 25/4 F

5. F ′ = 50 F

6. F ′ = 25/2 F

7. F ′ = 100 F

8. F ′ = 5 F

9. F ′ = 25 F

10. F ' = 10 F

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Our tutors have indicated that to solve this problem you will need to apply the Coulomb's Law (Electric Force) concept. You can view video lessons to learn Coulomb's Law (Electric Force). Or if you need more Coulomb's Law (Electric Force) practice, you can also practice Coulomb's Law (Electric Force) practice problems.

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Based on our data, we think this problem is relevant for Professor Ene's class at UH.