Find Symmetry for Lagrangian in 3D Cylindrical Coordinates

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SUMMARY

The discussion focuses on finding symmetries for the Lagrangian of a particle in three-dimensional cylindrical coordinates, specifically when the potential energy is expressed as V = V(r, kθ + z). Participants emphasize the importance of presenting relevant formulas and initial attempts to solve the problem to facilitate assistance. The inquiry also raises questions about the constant 'k' in the potential energy function, which remains undefined in the context provided.

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  • Understanding of Lagrangian mechanics
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  • Knowledge of potential energy functions
  • Basic concepts of symmetry in physics
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Students of physics, particularly those studying classical mechanics, as well as educators and anyone interested in the application of Lagrangian methods in cylindrical coordinate systems.

noor
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the question is that there is a particle in 3 spatial Euclidean dimensions in cylindrical coordinates.
I want to find a symmetry for the lagrangian if the potential energy is function of r and k.theta+z
V=V(r,k.theta+z)
any help please ?
 
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Welcome to PF!

This looks like a homework problem. PF has a template for homework problems where you state the problem, show us relevant formulas needed to solve it and then your attempt to solve it. We can't help you if you don't show any work first.

In your problem what is k? Is it some constant?
 
ok thanks I am new here
 

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