On Sun, Aug 30, 2015 at 2:14 PM, meekerdb <meeke...@verizon.net> wrote: > > >> >> >> Aristotle >> believed that heavy objects fell more quickly than light ones, >> something that could have been easily disproved even on his own day but he >> understood it so well, or thought he did, that he didn't bother to make any >> observations on the matter. >> > > > > But he did observe that a rock fell faster than a leaf. He also believed > that an active force was necessary to sustain motion because he observed > that if you stopped pulling a wagon it came to a halt. >
Pure logic can't prove that a physical theory is correct but it can prove that it's wrong i f it's self contradictory and Aristotle's theory was. If you take a heavy rock and tie it to a slightly lighter rock with some string that has some slack in it and drop them then both rocks would fall slower than the big rock alone because the slower moving lighter rock would bog it down, but the tied together object would fall faster than the heavy rock because the new object is heavier than the heavy rock alone. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
