Why are cyclic coordinates named such?

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anirocks11
In Lagrangian mechanics, if the Lagrangian is not a function of one of the generalised coordinate, then it is called a cyclic coordinate. Why is it called such? What is the significance of the term 'cyclic'?
 
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anirocks11 said:
In Lagrangian mechanics, if the Lagrangian is not a function of one of the generalised coordinate, then it is called a cyclic coordinate. Why is it called such? What is the significance of the term 'cyclic'?

Hi anirocks11

You can easily find it on the net. For instance take a look at this.
 
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