When I went to school, it was said that two items of different mass dropped from an identical height in a vacuum, would each land at the same time.
I believe I heard that that is no longer valid. --- Ricardo Aráoz <[EMAIL PROTECTED]> wrote: > Helio W. wrote: > > Also I meant that gravity is deeply related to > matter, although you're > > right about matter -> mass -> gravity! > > > > On 5/2/07, Ed Leafe <[EMAIL PROTECTED]> wrote: > >> On May 2, 2007, at 7:06 PM, Helio W. wrote: > >> > >>> Gravity is a property of matter, so you will > never discover a planet > >>> without gravity. This is a FACT, not a theory. > >> Wrong again. Mass is a property of > matter. The motion of planets, > >> the acceleration of an object dropped on Earth - > these are all facts. > >> Gravity is the theory that explains these facts, > and this explanation > >> states that the gravitational force is > proportional to the mass of > >> the objects being measured. > > Actually not. "the gravitational force is > proportional to the mass of > the objects being measured" is a FACT, an > observational fact. The why > this happens may be a theory, but it is a FACT that > a force (remember > 'force' is not a 'thing' but a way to express an > 'interaction' that > makes a mass accelerate) proportional to the masses > acts between them. > > > >> > >> It is far from settled, though. There is > nothing that reliably > >> explains *how* gravity works, and how it works > over such huge distances. > >> > >> -- Ed Leafe > >> -- http://leafe.com > >> -- http://dabodev.com > >> > >> > > > _______________________________________________ > Post Messages to: [email protected] > Subscription Maintenance: > http://leafe.com/mailman/listinfo/profox > OT-free version of this list: > http://leafe.com/mailman/listinfo/profoxtech > Searchable Archive: > http://leafe.com/archives/search/profox > This message: > http://leafe.com/archives/byMID/%(messageid)s > ** All postings, unless explicitly stated otherwise, > are the opinions of the author, and do not > constitute legal or medical advice. This statement > is added to the messages for those lawyers who are > too stupid to see the obvious. > _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://leafe.com/mailman/listinfo/profox OT-free version of this list: http://leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/[EMAIL PROTECTED] ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
