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Nonconservative Force

  1. Feb 26, 2012 #1
    The question I have difficulty with is:
    At a playground, a 19 child plays on a slide that drops through a height of 2.5 . The child starts at rest at the top of the slide. On the way down, the slide does a nonconservative work of -366 on the child. What is the child's speed at the bottom of the slide?

    I know how to do the problem.... The only thing that is throwing me off is the "nonconservative force." Can someone explain what that is and how to utilize it? Do I just subtract that from the total work done? thanks!
     
  2. jcsd
  3. Feb 26, 2012 #2

    gneill

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    Staff: Mentor

    "Nonconservative work" is work that results unrecoverable energy loss from the system. In this case it would likely be energy lost as heat due to friction.
     
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