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Unit of Force? - Responses

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  • Unit of Force? - Responses

    Dear Subscribers:

    Thank you to all who replied to my inquiry yesterday regarding the "kp"
    unit of measure. I received numerous responses which may be summarized
    by the following descriptions:

    1) kp = kpis = kilopounds per square inch
    2) kp = kPa = kiloPascal = 1000 Pascals = 1000 Newtons/square meter
    3) kp = kilopounds = 1000 lb
    4) kp = kiloparsecs = 3261 light years
    5) kp = kilopond = 1 kg = 9.8 Newtons

    I now realize that a more detailed context for this measure should have
    been provided. I found this notation while reading a paper published in
    1974. The authors measured the force, imparted by the occupant, upon
    the torso and lap belts across different automobile restraint systems.
    The reported values for the torso belt ranged between 340 and 1012 kp in
    a 50km/h frontal crash simulation. Within this context, it would seem
    logical that "kp" is referring to kilopond (1 kg / 9.8 N). I would
    welcome any further feedback.

    Thank you, again, for your responses.

    __________________________________________________ ___

    Steve Wood
    Biomechanics Research & Consulting, Inc.
    840 Apollo Street, Suite 218
    El Segundo, CA 90245
    Office: (310)615-3112 Office Fax: (310)615-3038
    Home: (310)796-5734 email: steve@brcinc.com
    BRC World Wide Web site: http://www.brcinc.com
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