結果 : how does magnetic work
3:16

Magnetism | The Dr. Binocs Show | Educational Videos For Kids

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Mega Wow | What Makes Things Magnetic? | PBS KIDS

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How do Magnets & Magnetic Fields Work?

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What Do Magnetic Fields Actually Do? | SciShow Compilation

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"magnetic forces do no work"

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Magnetic Force Does NOT Exist!

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3 Amazing Experiments with Magnets | Magnetic Games

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How Earth Creates Its Magnetic Field

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What's Nuclear Magnetic Resonance (NMR)? How Does It Work? What's It Used For? A Brief Introduction.

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Magnetic Bearing Operating Principle and Components

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The Magnetic Pendulum. How does it work?

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How this magnetic transmission works?

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