Crumple zone

Rarity: Common

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Notion

Domain

Science and technology

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What Wikipedia says

Crumple zones, crush zones or crash zones are a structural safety feature used in vehicles, mainly in automobiles, to increase the time over which a change in velocity (and consequently momentum) occurs from the impact during a collision by a controlled deformation; in recent years, it is also incorporated into trains and railcars.

Excerpt from the Wikipedia article “Crumple zone”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Pujanak, Public domain, via Wikimedia Commons.