What is Potential Energy? A 5 Minute Introduction - Physics Forums
Jun 25, 2019 · Potential energy is simply another name for (minus) the work done by a conservative force.Since the work-energy theorem states that change in energy minus work …
A Definition and Controversy of Energy - Physics Forums
May 27, 2015 · Potential Energy (PE): This is the energy that is associated with the position or configuration of an object. Gravitational potential energy, for example, depends on an object’s …
Potential energy of an arrangement of point charges
Feb 6, 2015 · Homework Statement What is the potential energy of the system composed of the three charges q1, q3, and q4, when q1 is at point R? Define the potential energy to be zero at …
Why gravitational potential energy is negative? - Physics Forums
Mar 29, 2007 · It is established that gravitational potential energy is defined as zero at an infinite distance from a mass, leading to negative values at finite distances. The relationship between …
Why does the potential energy get lower as atoms get closer?
Dec 20, 2016 · The discussion centers on the behavior of potential energy (PE) as hydrogen atoms approach each other to form a molecule. As the atoms get closer, their PE decreases …
Principle of Physics: Derivation of -dU/dx=F - Physics Forums
Aug 29, 2022 · Familiarity with the concepts of kinetic energy (KE) and potential energy (PE). Knowledge of conservative and non-conservative forces in physics. Basic principles of …
Mathematical Definition of Energy - Physics Forums
Mar 29, 2012 · The mathematical definition of energy is fundamentally tied to its ability to perform work, represented by the equation W = ∫F dr. In mechanics, energy does not have an absolute …
Why is potential energy the NEGATIVE of the work done?
Oct 15, 2011 · This relationship emphasizes that potential energy is relative and can be positive or negative depending on the chosen reference point. Understanding of basic physics …
A general potential energy for a multi-particle system
May 21, 2020 · The discussion centers on the formulation of potential energy in multi-particle systems, specifically the relationship between pairwise potential energy functions, denoted as …
Why are the Lagrangian and the Hamiltonian defined as they are?
May 16, 2012 · I think the conservation of energy is an "outside" albeit evidentially valid constraint that must be introduced into the Lagrangian or the Newtonian analysis in order to define …