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Center of Rotation/Definition?

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  • Center of Rotation/Definition?

    Dr.-Ing. Volker Schlegel
    c/o Technische Universitaet Hamburg-Harburg Tel: ++49 (0)40 - 77 18 - 27 02
    Meerestechnik II / Strukturmechanik Sec - 32 20
    Eissendorfer Str. 42 FAX - 20 28
    D-21071 Hamburg
    FR Germany
    Mailer: Elm [revision: 70.85]

    Dear netters:
    Who can give me a DEFINItion, but not a DESCRIPtion of the term
    CENTER of ROTATION?
    In some articles I found this term which sounds very mysterious to me.
    And, in addition, can someone tell me the difference between that Center and
    the INSTANTANEOUS CENTER OF ZERO VELOCITY which is term clearly defined
    in engineering mechanics? I have checked several US textbooks on mechanics
    (e.g. R.C. Hibbeler, Engineering Mechanics, Vol. on Dynamics), but could
    not find any hint.
    Sincerely
    Volker Schlegel
    lecturer in mechanics
    P.S. When I first came across this term in some US publications I had
    the idea that this term is an American invention I missed over here. True?
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