#3084: Unstoppable Force and Immovable Object
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Transcript
[In one panel there are three drawings representing the same scenario at three different times. The first drawing shows a right-pointing arrow at the left, and a rounded trapezium-like object set slightly to the right of center. They are each labeled with a line going from a label above down to the respective shape:]
Unstoppable Force
Immovable Object
[In the second drawing the arrow is shown in the process of moving through the trapezoid, the part of the arrow within the trapezoid is drawn in gray lines.]
[In the third drawing the arrow has moved a similar distance, now being to the right of the trapezoid.]
[Caption below the panel:]
I don't see why people find this scenario to be tricky.
(Sourced from explainxkcd.com)
Title text:Unstoppable force-carrying particles can't interact with immovable matter by definition.