A Definition and Controversy of Energy - Physics Forums
May 27, 2015 · Mechanical Energy: This is the sum of kinetic and potential energy in a mechanical system. According to the law of conservation of mechanical energy, in the absence of non …
Definition of Pressure: Force, Work Done, & Mechanical Energy
Jul 24, 2014 · Definition/Summary Pressure is normal force per area, or work done per volume, or mechanical energy per volume (mechanical energy density). Static pressure, P, in a fluid (a liquid or …
How to define "energy" and "work" without using either word
Nov 23, 2019 · Everywhere I go, the definition of energy is "the ability to do work" while the definition of work is "the transfer of energy." How can we define energy without using the word "work" and vice …
What is Work Done? Definition, Equations, & Explanation
Jul 24, 2014 · For a completely non-conservative force, work equals loss of mechanical energy (the energy lost generally becomes radiation or heat). Potential energy: For a conservative force, work …
What Types of Potential Energy Exist Beyond Gravitational?
Jun 19, 2012 · By definition, mechanical energy is the sum of the potential and kinetic energies of a body or system. Unfortunately, the term 'mechanical' energy is used in a completely different context, …
What Types of Potential Energy Exist Beyond Gravitational?
Jun 19, 2012 · The discussion clarifies the various types of potential energy, confirming that potential energy encompasses gravitational, elastic, chemical, electric, and nuclear forms. Participants agree …
Law of Conservation of energy and Wnc - Physics Forums
Mar 14, 2021 · The discussion revolves around the law of conservation of energy, particularly focusing on the role of non-conservative forces in mechanical systems. Participants explore theoretical …
Why and How are Mechanical and Kinetic Energy different?
Oct 23, 2013 · Another participant emphasizes that mechanical energy is the sum of kinetic and potential energy, particularly within a mechanical system, using a spring as an example. A participant …
Total energy of an isolated system - Physics Forums
May 20, 2020 · The discussion revolves around the interpretation of total energy in a closed system, particularly when the sum of kinetic and potential energy equals zero. Participants explore the …
Thermodynamics Energy balance Equation - Physics Forums
Mar 11, 2011 · The discussion revolves around the energy balance equation in thermodynamics, specifically focusing on the term "j" within the equation. Participants explore its meaning, units, and …