Question

5. Why the cutting edge of a knife should be sharp as possible?​

Answer 1

The contact surface of the knife is very small when it is very sharp. So the cutting edges of knife should be sharp. This is because when the area of the knife decreases , pressure . ... This means that when area increases pressure decreases.

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Answer 2

Answer:

hy

Explanation:

The contact surface of the knife is very small when it is very sharp. So the cutting edges of knife should be sharp. This is because when the area of the knife decreases , pressure . ... This means that when area increases pressure decreases

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