Self-Assessment Quiz

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The learning objectives of this self-assessment are to help you validate your understanding of the concepts relating to the deriving equations of motion, the Euler-Lagrange equations, and the Noether theorem.

The quiz is intended to be a formative assessment to guide your learning. The automated feedback you get at the end of the quiz will point you to the sections of the material you should focus on for better grasp of the concept related to each question.

For mechanical systems, which of the following expressions is a valid Lagrangian for the action functional? *

0 points

V(t) (velocity)

K(t) (kinetic energy)

U(t) (potential energy)

K(t) - U(t) (difference between kinetic and potential energy)

Let t be a time index and let r(t) be a path through the generalized coordinate space. List the parameters in terms of which you can express the Lagrangian *

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