Is the non-relativistic Lagrangian:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\mathcal L=\frac{1}{2}m \dot{x}^2 [/tex]

invariant under boosts x'=x+vt?

It doesn't seem like it is. Surely something must be wrong?

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# Free action invariant under galliean boosts?

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