Is Heat Considered a Force in Energy Transfer?

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Discussion Overview

The discussion centers around the question of whether heat can be considered a force in the context of energy transfer, particularly in relation to phenomena such as boiling water and molecular motion. Participants explore definitions of energy and force, and the distinctions between heat and temperature.

Discussion Character

  • Conceptual clarification
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Ted questions why heat is not considered a force, drawing an analogy between heat radiation and electric field lines.
  • One participant asks for definitions of energy and force, suggesting a need for clarity in the discussion.
  • Another participant provides definitions, noting that energy is measured in joules and force in Newtons, and speculates on the idea of heat pushing molecules.
  • A participant asserts that energy is not a force and emphasizes the distinction between heat and temperature, suggesting this may be central to the confusion.
  • One participant explains that temperature measures the motion of particles and describes the process of energy transfer as heat when two objects at different temperatures interact.
  • A later reply suggests thinking of forces as interactions, explaining that molecular collisions are responsible for energy transfer, rather than heat itself.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between heat, energy, and force. While some clarify definitions and distinctions, there is no consensus on whether heat should be classified as a force.

Contextual Notes

Participants highlight the complexity of defining energy and force, and the discussion includes assumptions about the nature of molecular interactions and energy transfer processes.

Who May Find This Useful

This discussion may be of interest to those exploring concepts in thermodynamics, molecular physics, or the fundamental definitions of physical quantities in energy transfer.

Inpyo
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I know that energy transfer can be done through a force or through heat but I was thinking about heat energy causing water to boil and move around. I thought why isn't heat considered a force?

When there is something hot one can physical perceive heat radiating from the object - it seems analogous to electric field lines radiating out from a charged particle.

Can someone explain to me why heat is not considered as a force?

Thanks,
Ted
 
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What is the definition of energy, and how is it expressed in the fundamental units? What is the definition of force, and how is it expressed in the fundamental units?
 
The definition for energy is not so simple; units are joules (kg*m^2/s^2) a force is an interaction commonly expressed as a push or a pull with units of Newtons (kg*m/s^2)

I can imagine heat pushing molecules thus resulting in increased motion...
 
Energy is not a force. Do not confuse temperature with heat. This may be the root of your question. Do you understand the difference between heat and temperature?
 
Ok so temperature is basically the measure of motion (energy) of an object's particles and when two things are at different temperatures energy is transferred from the higher temp to lower temp object until both at at the same temperature. This energy transferred is called heat and so as a result of gaining heat an object's particles speed up (gain kinetic energy).

Ok that makes sense thanks for the guidance.
 
It might be more helpful to think of forces as "interactions". When two molecules in a gas collide, why do they bounce off of each other? The answer isn't heat or energy, it's because the two particles interact in some manner. This interaction decelerates and then accelerates the particles during the collision event and is what allows the transfer of energy to take place. This interaction is why more energetic particles are able to transfer their energy to less energetic ones, allowing you to boil water in the first place. With an interaction, two particles will simply pass right through each other and no transfer of energy or heat will take place.
 

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