Coulomb's Law (Electric Force) Video Lessons

Video Thumbnail

Concept

Problem: Point charges, q1, and q2, are placed on the x-axis, with q1 at x = 0 and q2 at x = d. A third point charge, +Q, is placed at x = 3d/4. If the net electrostatic force experienced by the charge +Q is zero, how are q1 and q2 related?

FREE Expert Solution

We need to know Coulomb's law to smoothly solve this problem. 

F=kq1q2r2, where k is Coulomb's constant and r is the distance between charges q1 and q2.

We're told that the three charges are along the x-axis with q1 and q2 towards Q.

The electrostatic force exerted on Q by q1 is given by:

90% (161 ratings)
View Complete Written Solution
Problem Details

Point charges, q1, and q2, are placed on the x-axis, with q1 at x = 0 and q2 at x = d. A third point charge, +Q, is placed at x = 3d/4. If the net electrostatic force experienced by the charge +Q is zero, how are q1 and q2 related?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

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.