48.(Pg. [19]) Why will water rise to a less height, if the size of the tube is increased?
49.(Pg. [20]) Why do not two bodies cohere, when laid upon each other?
50.(Pg. [20]) Can two bodies be made sufficiently flat to cohere with considerable force?
51.(Pg. [20]) What is the reason that the adhesion is greater when oil is interposed?
52.(Pg. [21]) What other modifications of attraction are there, besides those of cohesion and of gravitation?
CONVERSATION II.
ON THE ATTRACTION OF GRAVITY.
ATTRACTION OF GRAVITATION, CONTINUED. OF WEIGHT. OF THE FALL OF BODIES. OF THE RESISTANCE OF THE AIR. OF THE ASCENT OF LIGHT BODIES.
EMILY.