ANSWERS: 1
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This is an example of a "bottom-heavy" toy. The frame is shaped roughly in the form of a rain drop, and a weight placed in the bottom half of it, causing the bottom half to always force the top of the toy upright. The top half must have less mass than the bottom because the proportional ratio is crucial in this gravitation-based toy; the bottom must be heavier and contain more mass than the top for it to work smoothly.
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