Before beginning this section, let’s take a moment and watch a video about electric forces.
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You can see electric forces in computers, lightning, and electrons in atoms interacting with each other.Source: Electromagnetism - Electrostatic Force: The Four Fundamental Forces of Physics, scishow, YouTube
As you saw in lesson 3 of this module, electric charges create an electric field and, therefore, exert a force on one another.
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Opposite charges attract. |
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Like charges repel. |