The new wrinkle is that at A and C, the Earth's gravity exerts a huge force towards the center of the earth, thus the only "leftover" force that could move the water is the force that is tangential (lies completely along the surface of) to the Earth.
(the only "leftover" force; could move; the water) (the only "leftover" force that could move the water; is; the force that is tangential (lies completely along the surface of) to the Earth) (the force; is; tangential) (The new wrinkle; is; that at A and C, the Earth's gravity exerts a huge force towards the center of the earth) Context(The new wrinkle is,List([0, 18))):(the Earth's gravity; exerts; a huge force; towards the center of the earth; T:at A and C)
The new wrinkle is,List([0, 18))
the only "leftover" force the only "leftover" force that could move the water the force The new wrinkle the Earth's gravity
could move is is is exerts
the water
the force that is tangential (lies completely along the surface of) to the Earth
tangential
that at A and C, the Earth's gravity exerts a huge force towards the center of the earth
a huge force towards the center of the earth T:at A and C