Questions and Answers
What happens to the sewing needle after rubbing it with a bar magnet multiple times in the same direction?
It gets magnetized
What is the significance of pinning a red cork ball to the South Pole and a white cork ball to the North Pole of the magnetized needle?
To test its buoyancy
When two magnetized needles are floated side by side with like ends facing each other, how do they move?
They repel each other
What happens when two magnetized needles are placed with unlike ends facing each other?
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How does the process of rubbing a needle with a bar magnet help in understanding its behavior?
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