Shoot, wanna join in on the catgirl killing.
But this is something I'm curious about. Might wait until SJA comes out, or maybe kewl you could clarify if you're lurking, or if someone else feels confident in their guess, did Jirou's attack just temporarily stop the entire world and once the people started talking again the earth began rotating again? Or is the earth not rotating at all even at the end of the chapter?
Or more importantly, would the impact be temporary because Jirou made it that way? Or because even he himself wouldn't be strong enough to permanently stop earth's rotation (which opens up a new floodgate of questions)
For the most part, TLC has the right idea. If Jirou used knocking and stopped the planet's rotation, everything on the surface should still be moving at the same speed, like when you're driving in a car. Both the car and the people inside are moving at the same velocity. If the brakes were suddenly applied, the car would come to a sudden halt, but the people inside didn't have the same action done to them, so they would still lunge forward.
For the gravity discussion, gravity does eventually become affected, but gravity doesn't have to be "undone" for this technique to work. I'm assuming Jirou's attack is just meant to act as an impact large enough to be able to stop earth's rotation (hence the question above. I'm assuming it's just some "temporary impact" but since the earth isn't a living organism it shouldn't be "temporary" and the impact should've just stopped the rotation permanently)
Dryish, I don't think it would have to be tremors causing the knocking, but just plain old intimidation. TLC, there is another kind of knocking other than pressure points in Toriko established, the intimidation knocking. If a person just lets out enough intimidation, that can cause knocking/fear/paralysis to the people that are within the person's killing intent, and that's been established in the manga. BUT I don't think that's the case here because
(A) that killing intent would have to be somehow distributed throughout the entire world so every living thing on earth doesn't move and
(B) that doesn't solve the problem of the inanimate objects like buildings or cars and the like not just flying out everywhere.
The other explanation is that somehow, in that attack, Jirou has the ability to halt the rotation of anything that's on a land mass because it's solid but can't stop the tides/sea because it's a liquid. Realize this leads to your initial question TLC in how that's done and honestly after searching for a bit I don't think there's any pseudo-logic in that, but that would keep everything internally correct with page 14 if I'm interpreting it right. Only answer I have is that this sorta just has to be accepted. Lame cop out answer I know.
Then again, this is a world where gravity levels can change depending on the location you're in, which should be impossible via real world physics too so… and this actually reminded me how I've been meaning to check the psuedo-science for the Elg/Brunch fight, mostly because I've taken an electricity/magnetism class and should've been able to determine whether the logic in there makes sense or not (at the very least, I wanna be able to remember how series/parallel circuits work which is referenced there and see if it matches up)