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What If Friction Disappeared From Earth? 🌍
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1,723 观看4448aftertheory01原视频发布: 2026-05-23

Friction is an invisible force essential for human movement, vehicle control, combustion engines, fire, and structural integrity; without it, Earth would become chaotic as people could not stand, vehicles would crash uncontrollably, planes would slide miles before exploding, fire and engines would cease to exist, and buildings would fail as screws and bolts unthread themselves.

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