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Magic Box

Science Caravan · Mechanics

Exhibit Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. Exhibit Composition: Composed of ABS plastic molded box, ABS plastic molded base, ABS milky white plastic molded operation tabletop with color silk-screen flip-up instruction board, delay circuit, stainless steel self-reset metal button with light, leakage protector, motor, special suitcase, suitcase fixing mechanism, etc. Operation: 1. Press the "Start" button to make the flywheel inside the box rotate; 2. When the tabletop indicator light turns green and the buzzer sounds, please grip the handle and lift the box; 3. Please slowly rotate the box, what do you discover? After experiencing, put the box back. Scientific Principle: When we rotate the box, where does the mysterious force that resists us come from? This mysterious force comes from the gyroscope's fixed-axis property and precession. When the flywheel inside the box rotates rapidly, it acts as a gyroscope. When a gyroscope spins at high speed, its axis of rotation always strives to maintain its direction unchanged, which is the fixed-axis property of a gyroscope; if a gyroscope is rotating and you apply a force to push its axis of rotation, the gyroscope will not fall in the direction you push, but instead moves in a direction perpendicular to the push, which is the precession of a gyroscope. So when you rotate the box clockwise or counterclockwise, the box tilts up by itself.

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