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Originally Posted by JeremyG22334455
Is that 0.9G actually the amount of force against your head though? If so, why does it seem like such an extreme jolt to brake suddenly? It just seems like it would have to be at least several Gs of force. Also, my 40 pound dog flew off the back seat, could 0.9G do that?
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It wouldn't even take that much. You have to remember that one G or 9.81 m/s^2 is the acceleration that is responsible for us staying anchored to the ground. I think people get confused when they think a G is a force when it's a measure of change in velocity that acts on the mass of our bodies whether it be in a car accident or just turning the head quickly.
I'm with Mark on this one. I had similar complications and they ended up being upper neck issues.