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Consider a mass $m$ placed at the topmost point of a wedge of mass $M$. The wedge is free to move on the smooth floor.

What is the acceleration of the wedge and the block when the system is released from rest?


I know how to do this using Newtonian mechanics by setting up the force equations and solving for the acceleration but how can this be done using the Lagrangian?

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closed as off-topic by G. Smith, Jon Custer, ZeroTheHero, Buzz, John Rennie Jan 12 at 9:42

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