Quote:
Originally Posted by OreoGaborio
If you push down on your head with your hand, sure, it'll put pressure on your neck...
but if you put an expanding force between the top of your head & the inside of the helmet, no force will be transfered down to your neck... only the top of your head & your cheeks as the helmet lifts off & they're in equal & opposite directions, canceling each other out.
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Two negatives = a positive?