(<a href="http://www.j-archive.com/media/2008-05-09_DJ_21.jpg" target="_blank">Sarah of the Clue Crew demonstrates a science experiment.</a>) Using a centuries-old experiment, pour water into a cup, to specifically illustrate <a href="http://www.j-archive.com/media/2008-05-09_DJ_21a.jpg" target="_blank">this</a> Newtonian law