[DOC] [TLE] Newton, The Apple and Gravity - CLAS Users - University of Florida [PAR] In 1666 he first used the inaccurate rate published in the English translation ... 
For Newton (as well as for Descartes) natural or inertial motion occurred in a 
straight line. ... One can think of the apple force as a "cosmic string" attached to 
the moon as ... The earth-moon system, he concluded, would be subject to 
Kepler's Third... [DOC] [TLE] Newton's theory of "Universal Gravitation" - Educational Web Sites [PAR] How Newton related the motion of the moon to the gravitational acceleration g; ... 
Supposedly, the above question occured to Newton when he saw an apple 
falling from a tree. ... In the year 1666 he retired again from Cambridge ... to his 
mother in ... If it was the same force, then a connection would exist between the 
way... [DOC] [TLE] The Life of Sir Isaac Newton (1642-1727) - Luminarium [PAR] Jun 27, 2000 ... Newton's later insights in celestial mechanics can be traced in part to his 
alchemical interests. ... In 1666, as tradition has it, Newton observed the fall of an 
apple in his ... year I began to think of gravity extending to the orb of the Moon. ... 
central attraction and a force falling off with the square of distance. [DOC] [TLE] the principles of mechanics with newton: from 1666 to 1679 - JStor [PAR] bringing to light a fact of importance, showing the occur .... and pupil Johann 
Kepler6 (1571-1630) to subject the plan .... given in the above-cited book by 
Rouse Ball.11 Both Ri ... in that of 1666 [as Pemberton said], that the apple is 
said .... force requisite to keep the moon in her orb with the force .... occurred to 
Newton. [DOC] [TLE] Early life of Isaac Newton - Wikipedia [PAR] The following article is part of an in-depth biography of Isaac Newton, the English 
.... Next about the moon was a Circle of white, and next about that the inner ... 
Both in 1665 and in 1666 Trinity College was dismissed on account of the Great 
Plague of London. ... The subject which Newton chose for his lectures was optics. [DOC] [TLE] Isaac Newton - Wikiquote [PAR] I do not know what I may appear to the world, but to myself I seem to have been ... 
I keep the subject constantly before me, and wait 'till the first dawnings open 
slowly, ... in the Nicomachean Ethics: Where both are friends, it is right to prefer 
truth. .... the force requisite to keep the Moon in her orb with the force of gravity at 
the... [DOC] [TLE] Sir Isaac Newton facts, information, pictures | Encyclopedia.com ... [PAR] Newton was descended from yeomen on both sides: there is no record of any ... 
for certain; and we have no knowledge as to the subject of his thesis for the B.A., 
... was back in Cambridge on at least one visit between March and June 1666. ... 
the notion of gravitation, must have occurred at either Boothby or Woolsthorpe. [DOC] [TLE] The core of truth behind Sir Isaac Newton's apple | The Independent [PAR] Jan 17, 2010 ... The story is almost certainly embellished, both by Newton and the ... But from 
today anyone with access to the internet can see for themselves the first-hand 
account of how a falling apple inspired the understanding of gravitational force. ... 
It was 1666, and the plague had closed many public buildings and... [DOC] [TLE] Chapter 1: Introduction - Quantum Field Theory [PAR] This theory, in its true sense of no particles, only fields, can return us to the good 
... In 1666, when Isaac Newton discovered his law of gravity, people did not need 
... causes apples to fall to the ground and that this same force holds the moon in 
its ... A little-known but glaring example, never admitted by Einstein, occurred in... [DOC] [TLE] Full text of "THE PRINCIPLES OF MECHANICS WITH NEWTON ... [PAR] The present paper deals with Newton's work on me- chanics from 1666 to

Question: In 1666 it occurred to Newton that apples & the moon might both be subject to this force
Answer: Gravity