What Types of Potential Energy Exist Beyond Gravitational?

Click For Summary

Discussion Overview

The discussion revolves around the various types of potential energy beyond gravitational potential energy, exploring definitions and classifications of potential energy in mechanical systems, as well as the relationship between potential energy and other forms of energy such as chemical and mechanical energy.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants list multiple forms of potential energy, including gravitational, elastic, chemical, electric, and nuclear potential energy, as recognized in various sources like Wikipedia.
  • There is a question about whether chemical energy can be classified as mechanical energy, with some arguing that it is related to the position of charges.
  • One participant asserts that potential energy is energy stored due to position within a force field, but the classification of chemical energy remains debated.
  • Another participant distinguishes between mechanical energy as the sum of potential and kinetic energies and the more colloquial use of "mechanical energy" in different contexts, such as electrical energy conversion.
  • Some participants express confusion over the terminology and definitions, particularly regarding the distinction between conservative and non-conservative forces.
  • There are discussions about the implications of these definitions on understanding energy transformations and the nature of work done in systems.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the classification of chemical energy as mechanical energy, with multiple competing views presented. The discussion remains unresolved regarding the definitions and implications of potential energy types.

Contextual Notes

Participants highlight the ambiguity in the term "mechanical energy," which can refer to different concepts depending on the context. There is also mention of the need for clarity in definitions, particularly concerning conservative and non-conservative forces.

  • #61


FissX said:
Mechanical energy is not potential energy. It is the conduit or storage of energy of a system with a set task. As it is present in the system, only after the conversion of potential energy, is it referred to as mechanical. Drakkith is correct. Notice the part that says "components of a mechanical system".
You seem to be saying that potential energy is not mechanical energy, which is incorrect. Please refer to the wiki definition quoted by Drakkith. There really isn't much more to it. It's just a term of convenience.
 
Physics news on Phys.org
  • #62


There is a difference between potential energy existing IN mechanical energy and potential energy actually BEING mechanical energy. They are not one in the same. Mechanical energy cannot exist without potential energy. But potential energy can exist without mechanical energy.

Because I send electricity into a copper wire (example) does not mean the copper wire is also the source of energy. It is a conduit with which potential energy is stored (short version). Mechanical energy is the "copper wire" in the sense that it is an organized mechanical system with a set task.
 
  • #63


FissX said:
There is a difference between potential energy existing IN mechanical energy and potential energy actually BEING mechanical energy. They are not one in the same. Mechanical energy cannot exist without potential energy. But potential energy can exist without mechanical energy.

Because I send electricity into a copper wire (example) does not mean the copper wire is also the source of energy. It is a conduit with which potential energy is stored (short version). Mechanical energy is the "copper wire" in the sense that it is an organized mechanical system with a set task.
I have no idea what you think 'mechanical energy' is or what you are trying to say.

Try this: Toss a ball into the air. Define the mechanical energy of the system. Is it conserved? Why or why not?
 
  • #64


FissX said:
There is a difference between potential energy existing IN mechanical energy and potential energy actually BEING mechanical energy. They are not one in the same. Mechanical energy cannot exist without potential energy. But potential energy can exist without mechanical energy.

Because I send electricity into a copper wire (example) does not mean the copper wire is also the source of energy. It is a conduit with which potential energy is stored (short version). Mechanical energy is the "copper wire" in the sense that it is an organized mechanical system with a set task.

I don't believe that would be mechanical energy, but electrical energy. Furthermore, given the definition of mechanical energy, I don't agree with your view that potential energy isn't mechanical energy. It doesn't HAVE to be mechanical energy, but it is part of it when appropriate.
 
  • #65


Is there a simple way to understand the logic of the sequence of the energetic quality hierarchy?

Thanks
 

Similar threads

  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 31 ·
2
Replies
31
Views
4K
  • · Replies 6 ·
Replies
6
Views
11K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 10 ·
Replies
10
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K