Three magnets are placed on a plastic stick as shown in the image. Explain how the magnets need to be rearranged so that they stick together and why rearranging them this way allows them to stick together.

For the three magnets to stick together, the unlike poles of each magnets must be placed close to the next magnet because unlike poles attract.

Attraction of magnets

Unlike poles of magnets attracts while like poles or similar poles repel each other.

Let the poles of the three magnets be labled as follows;

A-----------------B C----------------D E----------------F

(+) (-) (+) (-) (+) (-)

For the three magnets to attract each other, the unlike poles must be placed next to each other.

Arrangement of the magnets

A--------------BC---------------DE----------------F

(+) (-)(+) (-) (+) (-)

Thus, for the three magnets to stick together, the unlike poles of each magnets must be placed close to the next magnet because unlike poles attract.

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