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प्रश्न
When the pedal of a bicycle is rotated, the wheel starts rotating. How does this happen?
लघु उत्तर
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उत्तर
When the pedal of a bicycle is rotated, the toothed wheel attached to the pedal rotates. This moves the chain, which turns the toothed wheel connected to the rear wheel. As a result, the rear wheel starts rotating and the bicycle moves forward.
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