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The science of stepping on a LEGO brick
My curiosity is getting the best of me. I have accidentally stepped on various strategically located bricks throughout my life...most with an outcome that typically includes me hopping around the room, usually in the dark (hence me not seeing it in the first place), while holding my foot and wanting to scream.
So here is the question...what LEGO brick induces the greatest amount of pain when proper force is applied to the underside of the foot?
There are various ways to approach this subject. Clearly one could argue the standard method of calculation using F=ma (force equals mass * acceleration) where my mass of 185 pounds multiplied by my typical walking speed through the home of 2 mph in the dark would equal 370 pounds of focused force on a single brick, assuming that it was a single brick on the floor. With this in mind, one could conclude that a smaller brick would hurt more because of the reduced surface area in which the force is applied. This argument only functions when used in light of hard surfaces such as hard wood floors and instantly becomes a syllogistic fallacy when considering that the majority of overlooked bricks typically occur on carpet rendering the smallest bricks harmless to our sensitive feet.
From another angle, we could also make the argument that because of the relative mass of the smallest bricks compared to the built in shock absorption of our foot structures, that only the bricks above a certain size, beyond what our feet can adequately absorb, would logically be the most painful. Keeping the aforementioned formula in mind, one could logically assume that a 2 x 2 brick (of any color) would be the most painful because no matter whether on carpet or on hard wood, that sucker is going to inflict 370 pounds of force pain due to its ever present corners regardless of orientation relative to gravitational alignment.
Lastly, and possibly the most convincing, would simply be that the most painful brick would be whichever one you just stepped on.
I am thinking that an in-depth research paper is in order.