The value of 9.80665 m/s2 (exact) was chosen to *define* without any uncertainty the value of the "kilogram force" by Newton's second Law. one kgf = one kg mass times 9.80665.
--- Original message ---- >Date: Wed, 30 Sep 2009 07:08:38 +1000 >From: Pat Naughtin <[email protected]> >Subject: [USMA:45922] Re: The plummet in metric history >To: "U.S. Metric Association" <[email protected]> >... > http://mtp.jpl.nasa.gov/notes/altitude/altitude.html > states that 9.80665 is the gravity at sea level at > 45.542 degrees latitude, and one might assume that > the definition was intended to be what it is at 45 > degrees exactly. I assume what you're really asking > is how was 9.80665 chosen,...
