Coulomb's Law (Electric Force) Video Lessons

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Problem: What is the force F on the 1 nC charge at the bottom? (Figure 1) Write your answer as two vector components, separated by a comma. Express each component numerically, in newtons, to three significant figures.

FREE Expert Solution

In this problem, we're going to use Coulomb's law to determine the force acting on 1 nC charge at the bottom.

Coulomb's law:

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

For easy working, let's label our diagram as follows:

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Problem Details

What is the force F on the 1 nC charge at the bottom? (Figure 1) Write your answer as two vector components, separated by a comma. Express each component numerically, in newtons, to three significant figures.

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