Is it farther or further?
unit of force, 1904, named in honor of Sir Isaac Newton (1642-1727).
newton new·ton (nōōt'n, nyōōt'n)
In the meter-kilogram-second system, the unit of force required to accelerate a mass of one kilogram one meter per second per second, equal to 100,000 dynes.
The SI derived unit used to measure force. One newton is equal to the force needed to accelerate a mass of one kilogram one meter per second per second. See also joule.