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Q&A What does Lagrangian actually represent?

$L=T-U$ Here, $L$ is Lagrangian. T is kinetic energy. U is potential energy. But, what Lagrangian actually is? I know what Holonomic and non-holonomic is. But, I was thinking what the Lagrangian re...

2 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by deleted user

#1: Initial revision by (deleted user) · 2021-08-24T10:22:59Z (over 2 years ago)
What does Lagrangian actually represent?
$L=T-U$ Here, $L$ is Lagrangian. T is kinetic energy. U is potential energy. But, what Lagrangian actually is? I know what Holonomic and non-holonomic is. But, I was thinking what the Lagrangian represent. Like, F represent force applied on some body. To me, Lagrangian is just representing some kind energy. But, what type of energy?