How to Determine the Potential of a Conservative, Central-Symmetric Force?

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SUMMARY

The discussion focuses on determining the potential of a conservative, central-symmetric force defined as \(\vec{F(\vec{r})}=\vec{r}f(\vec{r})\). The relationship between force and potential energy is established through the equation \(\vec{F}=-\nabla U\). The participant attempts to derive the potential energy \(U\) by integrating the force components, specifically noting that \(U_{x}=-\int xf(x)dx\). The discussion highlights the complexity of the problem, indicating that \(U\) is a scalar function and suggesting a general form of \(U\) as \(U = - \int x f(x,y,z) dx + g(y,z)\).

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  • Understanding of vector calculus, specifically gradient operations.
  • Familiarity with conservative forces and potential energy concepts.
  • Knowledge of partial differential equations (PDEs) and their applications.
  • Experience with integration techniques in multivariable calculus.
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  • Study the derivation of potential energy from conservative forces using vector calculus.
  • Explore the application of partial differential equations in physics, particularly in force and potential problems.
  • Learn about central-symmetric forces and their implications in classical mechanics.
  • Investigate integration techniques for functions of multiple variables, focusing on scalar fields.
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Homework Statement



Find the potential of the following conservative and central-symmetric force

[itex]\vec{F(\vec{r})}=\vec{r}f(\vec{r})[/itex]

Homework Equations



[itex]\vec{F}=-\nabla U[/itex]

The Attempt at a Solution



I can integrate by components?

[itex]F_{x}=-\frac{\partial U}{\partial x}[/itex]

Getting: [itex]U_{x}=-\int xf(x)dx[/itex]

Not sure on this..
 
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It's a system of PDE's for the same function Ux doesn't exist, since U is a scalar. You should have[tex]U = - \int x f(x,y,z) dx + g(y,z)[/tex]
 

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