I’m guessingMagnetic force you’ve played with magnets at some point, so you know they can push or pull each other even when they’re not touching. That’s what makes them fun. But since we saw in the last chapter that you can make electrically charged strips of Scotch tape that behave similarly, it’s natural to wonder if magnetic forcesMagnetic force really are distinct from electric forcesElectric force. You can settle the issue by bringing one of your magnets near to one of your charged strips of tape. The magnet does not behave like it does when you bring another magnet nearby. Apparently the weird forces between a pair of magnets do not come from unbalanced electric chargeElectric charge on the magnets. Magnetism is something different.

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Magnetism

  • Michael Anderson

摘要

I’m guessingMagnetic force you’ve played with magnets at some point, so you know they can push or pull each other even when they’re not touching. That’s what makes them fun. But since we saw in the last chapter that you can make electrically charged strips of Scotch tape that behave similarly, it’s natural to wonder if magnetic forcesMagnetic force really are distinct from electric forcesElectric force. You can settle the issue by bringing one of your magnets near to one of your charged strips of tape. The magnet does not behave like it does when you bring another magnet nearby. Apparently the weird forces between a pair of magnets do not come from unbalanced electric chargeElectric charge on the magnets. Magnetism is something different.