Galileo concluded that without friction a ball would roll forever on a horizontal surface.
(Galileo; concluded; that without friction a ball would roll forever on a horizontal surface) Context(Galileo concluded,List([0, 17))):(a ball; would roll; T:forever; L:on a horizontal surface)
Galileo concluded,List([0, 17))
Galileo a ball
concluded would roll
that without friction a ball would roll forever on a horizontal surface
T:forever L:on a horizontal surface