Eli5 Why is it easier for people (kids notably) to put their head between two bars but harder to get it out?

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Eli5 Why is it easier for people (kids notably) to put their head between two bars but harder to get it out?

In: Physics

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Anonymous 0 Comments

My story is a little different. When I was a small child, my mom came out and found me on the front porch with my head between the metal bars of the railing. “DON’T MOVE!” she commanded. Soon the family and eventually neighbors were gathered, expressing concern. Everyone had their own pet suggestions to get me out — my head was buttered, hands and a car jack were tried to bend the bars, and so on. But my head simply would not fit though the bars, period.

Throughout this process, I kept trying to speak, but was silenced or ignored.

Eventually when there was a pause, everyone being momentarily out of ideas, I spoke up again.

“Why don’t I just get out the way I got in?”

And then I stepped my entire slender body back through the bars, to the same side my head was on. I’d never gotten my head through the bars in the first place…just my body. I wasn’t even stuck…just very obedient.

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