In the real world, there are no absolute rigid bodies, nor is there perfect unstable equilibrium.

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I have some martial arts skills, and I have strong core strength. Can I perform ancient puppet fight

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They say diamonds are forever, but they can be burned and broken.

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Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

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Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

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Turns out there’s an extra person to eat and drink with.

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What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

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Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

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Are the videos we watched fake? Has wild sex education been fooling us all these years?

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2025 JD World Street Dance Finals, Song Haoming, the little brother, relaxed in Paris

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Why doesn't it hurt when a needle is stuck in my finger?

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108_ Dragon Ball Super: Why does Frieza hate Sai Ajin so much?

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My family, we just say that this transformation is so handsome to me.

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Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

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【Guang Yuan】When Pei Su fell asleep on the subway

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The protagonist of the final episode of the Baki father and son battle arc dies! The drama ends!

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"Nichijou" Sakamoto: It's not me! It's none of my business!

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Mixed-race sister

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【Mechanics】Physics Master Tao Baibai

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