Unseen Forces: Beyond the 4 We Know?

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The discussion explores the possibility of additional fundamental forces beyond the four currently recognized in physics. Participants question how we would identify these forces if they are undetectable through experimentation. The conversation also touches on the concept of a unified theory, pondering why nature appears to have settled on the four forces defined in the Standard Model. The relationship between charge, mass, color, and flavor in particle physics is also examined. Ultimately, the dialogue raises intriguing questions about the nature of forces and the limits of human observation in understanding the universe.
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Why only four forces? Are there more and we just can't feel them or experience them. What would they be?
 
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How would we know there are more than four forces if we can't observe them experimentally?
 
Maybe there is only one force only relative to charge and mass?
 
brjense said:
Maybe there is only one force only relative to charge and mass?

What about color and flavor?
http://en.wikipedia.org/wiki/Flavor_(particle_physics )
http://en.wikipedia.org/wiki/Color_charge
 
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In my opinion, the question should have been if there was once a single force (in a unified theory) how did we end up with 4 forces instead of some other set? Or, in other words, why did nature choose the Standard Model as the subgroup it would be spontaneously broken to... :smile:
If there were more forces, we would have seen them?
 

Thread 'Need help understanding particle physics and quantum physics'

So I know that electrons are fundamental, there's no 'material' that makes them up, it's like talking about a colour itself rather than a car or a flower. Now protons and neutrons and quarks and whatever other stuff is there fundamentally, I want someone to kind of teach me these, I have a lot of questions that books might not give the answer in the way I understand. Thanks
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