Question

Why knife have sharp edge who discovered this?

Answer 1

Hello Friend...

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The answer of u r question is..

"Who discovered knife??"

Ans:

"Unique knife of an early medical scribe discovered in pasym."

--------->unique knife was used by early scribe has been discovered in the pasym cattle
[Warmia and Mazury]

---------->The VIII-IX century knife was s the only such object know from Poland...

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"Why knife have sharp edge's"..

Ans:

Yes,knife have sharp edges..

Reason:

we know that pressure =Force/Area

As area of contact decrease the pressure increases and vise versa .

The knife have sharp edges because.

------->The Ares of sharp edges is less..

-------->pressure acting will be more ..

-------->This is the reason why knife have sharp edges..

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