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We will learn system that are equivalent must have the same translational acceleration (same net force) and the same rotational acceleration (same torque).

Previous video in this series on YouTube: https://youtu.be/us-oSW0Naas
Title search on other platforms: Physics/M.E.: The Force Couple (2 of 5) The Key to Understanding a Couple

Next video in this series on YouTube: https://youtu.be/Tk5jMEj24Tc
Title search on other platforms: Physics/M.E.: The Force Couple (4 of 5) Why the Position of the Couple Doesn't Matter