Thread: One question regarding moment??

  1. #1
    Registered User
    Join Date
    Mar 2005

    One question regarding moment??


    I am doing a project which need the semimajor axis value. I only have moment variables: m00,m01,... mu01, mu11.... Any friend can tell me what is the use of the moment variables? And how to use these variables to compute the semimajor axis value? Thanks!


  2. #2
    Hardware Engineer
    Join Date
    Sep 2001


    I have a vague memory that this has something to do with physics or dynamics.... You may need some more information from whomever gave you this assignment/task. Do you have a physics or dynamics book? (I don't have one with me.)

  3. #3
    Cat without Hat CornedBee's Avatar
    Join Date
    Apr 2003
    Do you mean momentum?
    All the buzzt!

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
    - Flon's Law

  4. #4
    Registered User
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    Apr 2003
    Quote Originally Posted by CornedBee
    Do you mean momentum?
    The principle of moments is derived from Archimedes' discovery of the operating principle of the lever. Archimedes was a Greek mathematician and physicist noted for his work in hydrostatics and mechanics and geometry (287-212 BC).

    With a lever, one applies a force, in his day most often human muscle, to an arm, a beam of some sort. Archimedes noted that the amount of force applied to the object, the moment of force, is defined as M = rF, where F is the applied force to the lever, and r is the distance from the applied force to the object.
    Last edited by 7stud; 04-01-2005 at 06:32 PM.

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