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English
Etymology
From giga- + newton.
Noun
giganewton (plural giganewtons)
- (metrology) An SI unit of force equal to 109 newtons. Symbol: GN
1976, Robert J. Smith, Changes in boron fiber strength due to surface removal by chemical etching, NASA:For example, the as-received 203-micrometer (7.98-mil) fibers had an average tensile strength of 3.59 giganewtons per square meter (521 ksi) with a coefficient of variation of 23.5 percent.
1997, Michael J. Sewell, Mathematics Masterclasses: Stretching the Imagination, Oxford University Press, →ISBN, page 172:The following values have been calculated for femurs, in units of square metres per giganewton, where 1 giganewton = 109 newtons, and with body mass given in tonnes, where 1 tonne = 103 kilograms.
1998 August 3, P. C. Powell, A. J. Ingen Housz, Engineering with Polymers, 2nd edition, →ISBN, page 9:If the fibres are all aligned in one direction, it is quite easy to achieve a modulus of 50 GN/m2 and a tensile strength of 600 MN/m2, although the shear modulus is at best only a few giganewtons per square metre.
2002 January 21, Walter Meissl, “Re: More Venus Terraforming Ideas”, in sci.space.science (Usenet), message-ID <[email protected]>:what does a giganewton do to an asteroid in the order of magnitude say 1/100 of a planet (otherwise it would have no impact at the planet).
2003 June 30, Kenneth J. Anusavice, Phillips' Science of Dental Materials, Elsevier Health Sciences, →ISBN, page 82:Modulus of elasticity is given in units of force per unit area, typically giganewtons per square meter (GN/m2), or gigapascals (GPa).
2005 December 31, Autymn D. C., “Scientists and Engineers: Make a beginner's flying saucer, better than the Avrocar or Lifter”, in sci.physics (Usenet), message-ID <[email protected]>:I found "Electrostatic Levitation" < […] > inspiring. However, under standard sunheat and ionization, the +.1 C/kg (It should be positive, not negative, as of course the sun boils electrons off the ground and air making them positive.) fee would strain a Static Shock-sizely pad with at least a giganewton.