Question
What is the need for classification?
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S.No.
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COLUMN $I$
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S.No.
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COLUMN $II$
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$A.$
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A moving wheel of a $(i)$ Sewing machine.
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$i.$
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Circular motion.
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$B.$
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Movement of tip of the minute hand of a clock in one hour.
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$ii.$
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Rotational motion.
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$C.$
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A moving swing.
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$iii.$
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Periodic motion.
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