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D'alembert principle

  1. May 6, 2009 #1
    Well,most of You know this principle,
    I just know 1 part of his work, which is that there is a force in an accelerated frame on a mass that equals MA and is in the opposite direction.
    so I have a question, is the force(fictitious or not) used in the accelerated frame ,conservative or not conservative?

    Thanks :D
  2. jcsd
  3. May 6, 2009 #2
    The only condition AFAIK for D'Alembert principle is that the constraint forces should be workless.
  4. May 6, 2009 #3
    Ow,but the force acts on they body(in the accelerating frame ) and say a body moves, so no work was done on him?
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