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Though it seems like a gyroscope defies gravity, it's really just the conservation of angular momentum.

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Wonder of Science

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116,795 просмотров • 2 месяцев назад •via X (Twitter)

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A gyroscope is probably one of the most fascinating physics toys and one of the most useful applications of conservation of angular momentum in several branches of science and technology.
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A gyroscope is probably one of the most fascinating physics toys and one of the most useful applications of conservation of angular momentum in several branches of science and technology.

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Prandtl Rotations describe the motion of a gyroscope's rotor around its principal axes. A gyroscope's main behavior is governed by the principles of angular momentum conservation, causing it to resist changes to its orientation. For a rotating gyroscope, stability along its axes is critical. Depending on the external influences (like additional weights, torques, or friction), these rotations can either remain stable (maintaining a steady motion) or become unstable, leading to wobbling or tumbling motions. When rotating about one of its principal axes (with the highest or lowest moment of inertia), the gyroscope exhibits stable behavior. If additional forces or masses alter its inertia, the gyroscope may cross a critical stability threshold, leading to unstable rotations. [1] .
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it's like he's defying gravity, this seems almost metaphysical somehow. I'm stunned.
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