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प्रश्न
Hold a sheet paper in one hand and a book in one hand. Which hand feels heavy? Why?
टिप्पणी लिखिए
उत्तर
The hand, which holds the book, will feel heavy. The mass of the book is more than that of a single sheet of paper. Therefore, the pull on the book is more than that of the paper. Hence our hand has to give more force to hold a book than a paper.
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