Energy - Gravity, Electromagntic , from where ?

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The discussion centers on the nature of energy, specifically the persistence of gravitational and electromagnetic forces in untouched objects. Participants emphasize the importance of understanding the definition of energy as the capacity to do work, highlighting that without a change in energy, no work is done. The conversation also touches on the necessity of grasping classical mechanics before delving into quantum mechanics, indicating a foundational knowledge is crucial for further exploration of these concepts.

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  • Understanding of classical mechanics principles
  • Familiarity with the definition of energy in physics
  • Basic knowledge of quantum mechanics concepts
  • Ability to differentiate between gravitational and electromagnetic forces
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JPC
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hey

just wondering

as it seems , the gravity force of an untouched object remains for ever, same as its electromagnetic force

but where does this energy that seems to last for ever come from ?

is it that matter has so much energy stocked inside it that , the its force energy is decreasing very very very slowly with time

or does it get back some energy from the exterior ?
 
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You need to learn the definition of energy. Energy is the capacity to do work. If there is no change in energy, there is no energy expended and no work done.
 
russ_watters said:
You need to learn the definition of energy. Energy is the capacity to do work. If there is no change in energy, there is no energy expended and no work done.

Would the definition of "the potential for change" fit that definition in terms of quantum mechanics?
 
yeah but it doesn't seem logical to be able to attract other objects just like that for ever

PS : ok , maybe its in quantum mechanics i should put it, but where's the redirect button ?
 
No, it isn't. Before you can tackle "quantum mechanics", you need to understand basic classical mechanics first. It appears from your misunderstanding of what Russ has posted that you haven't done that yet.

Zz.
 

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