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Jolie builds a model of a maglev train. She uses disc magnets to levitate the train. A disc magnet has its north and south poles on its faces, as shown.

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Jolie can make her model train levitate by attaching disc magnets with their north poles facing downward to the train, and placing disc magnets with their south poles facing upward on the track. The correct alignment of the magnets' poles is essential for achieving levitation.

To make Jolie's model train levitate using disc magnets, she should arrange them in a specific way on both the train and the track. Here's the step-by-step process:

1. Train: On the bottom of the train, Jolie should attach several disc magnets with their north poles facing downward. The number of magnets depends on the weight of the train and the desired levitation height. By aligning the magnets in this way, they will repel the magnets on the track, creating a levitation effect.

2. Track: On the track, Jolie should place several disc magnets with their south poles facing upward. These magnets will generate a magnetic field that interacts with the magnets on the train, causing levitation. The number and spacing of these track magnets should be adjusted based on the weight and size of the train.

3. Polarity and alignment: It's crucial to ensure that the north poles of the train magnets face the south poles of the track magnets. This alignment creates a repulsive force that counteracts gravity and allows the train to hover above the track.

The probable question may be:

Jolie builds a model of a maglev train. She uses disc magnets to levitate the train. A disc magnet has its north and south poles on its faces, as shown. What is the best way to arrange the magnets on the train and on the track so that the model train levitates?

User Keshan De Silva
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