How come sub-atomic particles aren't affected by the vacuum around them

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SUMMARY

Sub-atomic particles such as electrons, protons, and neutrons are not affected by the vacuum around them due to the nature of vacuum itself. A vacuum does not exert a pulling force; rather, it is characterized by a lower density of particles compared to surrounding areas. This phenomenon can be likened to a crowd of people dispersing into an empty room, where the absence of particles in the vacuum allows for random movement rather than a directional pull.

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Nasevic
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Why aren't sub-atomic particles (electrons, protons, neutrons) affected by the vacuum around them. Why aren't they tugged off course like air in space
 
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I think you have a small misunderstanding about vacuum.
Vacuum doesn't suck - what happens with say a vacuum cleaner (or a pump) is that you have less air on the inside than outside and so air moves towards the vacuuum simply out of randomly filling the spaces.
It's like having a crowd of people in a small room and opening the door - they will gradualy fill both rooms - but the empty room isn't pulling them
 

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