Question

why are knives sharp and long whereas needle has pointed end?​

Answer 1

Answer:

Because knife is used for cutting while needle is used for sewing purpose.

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Answer 2

Answer:

Knives are used for cutting, thus in order to cut anything like a fruit smoothly, They have a long, sharp edge.

Needles are used for sewing. You don't need to cut the fabric, just poke a hole to allow the thread to pass easily. Hence it is pointed.

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