Eli5, How do gforces effect smaller things differently?

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More specifically, I was watching a video of an RC helicopter doing amazing stunts and thought to myself imagine being in a full sized helicopter doing that. I’d be dead! But then began pondering, would I experience the same stress on my body if I were smaller?
Perhaps an even easier way to distill this question down is, whatever amount of gforce we perish at, would that number be different if we were a tenth of our size? And what would be the main contributing factor? Our weight crushing ourselves? Blood not being able to flow? Fluids being pressed through our cells?

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G forces multiply your weight. So an object experiencing 2Gs will be feeling double it’s normal weight. For my best attempt at an explanation for a 5yo… Let’s compare a lego figure in an RC helicopter to an adult human in a real helicopter each feeling about 5Gs

A lego figure weighs about 3 grams, so at 5Gs its going to be feeling 15 grams of weight, and it can easily handle that 12 gram excess.

For easy math, assume the adult weighs 200lbs. At 5Gs, they will feel 1000lbs and just absorbing 800lbs of extra weight sounds ridiculous.

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