32 “If “gravity” is credited with being a force
strong enough to hold the world’s oceans, buildings, people and atmosphere
stuck to the surface of a rapidly spinning ball, then it is impossible for
“gravity” to also simultaneously be weak enough to allow little birds, bugs, and
planes to take-off and travel freely unabated in any direction.”
If gravity is
strong enough to hold everything on the earth, how can birds and bugs overcome
Because gravity is very weak, by far the weakest of the forces. A small
fridge magnet can lift a pile of nails against the gravitational pull of the whole
earth. But gravity doesn’t have to be
very strong to hold us, and the oceans, on to the surface. There’s only a much
tinier effect, the centrifugal force of the rotation, that it has to overcome.
No other force or effect is pulling us away form the ground.
But Dubay’s words and especially his picture of upside down Australia seem to
suggest you think that gravity has to stop the oceans falling off the “bottom”
of the world into space? Of course not.
Remember, “down” is towards the centre
of the earth, not towards outer space in the direction of the south pole.
What would pull the ocean’s waters away from
the Earth? There’s only so-called centrifugal force, which is actually the inertia
of the water “trying” to keep moving in
a straight line at a tangent to the Earth, It’s easy to calculate that this is
much weaker still than gravity.
So gravity doesn’t
have to be enormously strong to hold all the loose stuff on the earth. There’s
nothing strong enough pulling it off.