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Homework Help: Lagrangian Mechanics

  1. Jun 23, 2011 #1
    I don't know how to do the 4 questions.
    And I only have some ideas on questions 1.
    The details are written on the photos.

    Thanks for help.

    Eqtn 2.28 2.36 2.37 are given on the photo.

    Attached Files:

  2. jcsd
  3. Jun 24, 2011 #2
    you need to realize that [tex] F_i = \vec{F} [/tex] then you can derive your relations

    either that or what is the meaning of the i index
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