Why does a boiled egg rotates while a raw egg doesn't?

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SUMMARY

A boiled egg rotates smoothly due to its solid internal structure, making it a rigid body. In contrast, a raw egg does not rotate effectively because the liquid yolk and egg white move independently of the shell, causing a delay in achieving the same rotational velocity. This difference in internal composition is the key factor that explains the distinct rotational behavior of boiled versus raw eggs.

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Is a boiled egg a rigid body?

Why does a rigid body, like a pawn, rotate?

Thank you!
 
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Boiled, due to the fact that the internals are solid. In a raw egg, the yolk and white will be 'sloshing' around, trying to catch up to the shell, therefore slowing down the total velocity.
 

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