Question

why does a sharp knife cuts objects more effectively than a blunt knife​

Answer 1

Answer:

A sharp knife cuts objects better because due to its very thin edge, the force of our hand falls over a sharp small area of the object producing a large pressure. ... A blunt knife has a thicker edge and does not cut the object easily.

Explanation:

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Answer 2

Answer:

a sharp knife cuts object effectively because we know that less will be the area more will ne the pressure. sharp knief has small area hence more pressure

but a blunt knief has more area and hence less pressure