Rajasthan BoardEnglish MediumSTD 9ScienceGravitation2 Marks
Question
Explain why, the tip of a sewing needle is sharp.
The tip of a sewing needle is sharp.
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Answer
The tip of the sewing needle is sharp so that due to its sharp tip, the needle may put the force on a very small area of the cloth, producing a large pressure sufficient to pierce the cloth being stitched.
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