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1Q40.10 - Rotating Chair with Weights
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1Q40.23 - Rotary Governor
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1Q40.25 - Ball Rolling on a Table
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1Q40.25-2 - Pulling on the Whirligig
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1Q40.30 - Rotating Chair and Bicycle Wheel
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1Q40.33 - The Turning Cat
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1Q40.40 - Train on Rotary Track
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1Q40.70 - The Ball in a Funnel
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1Q40.82 - Jet Spinner
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1Q40.u1 - Conservation of Angular Momentum Model
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1Q40.u2 - Rocket Propulsion
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1Q40.u3 - Hoberman Sphere - Collapsing Star
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