How does a knife work?

Question

How does a knife work?

Answer 1

you use it by slicing or cutting or chopping something.

Answer 2

A knife is an inclined plane designed to help channel your force and slice and dice through food, obj.s , etc... it is a simple machine

Answer 3

a knife is commonly made out of a piece of steel (metal) that is rubbed against a wetstone/grinding stone (rock) to scrape away steel shavings making the number of molecules of steel across the edge smaller and smaller. So basically the edge of the knife will look like this: >  with fewer molecules at the tip. Because steel is a harder substance then say, a tomato, the steel will be able to push thru the tomato becuase there is not enough resistance. Hope this helps!

Answer 4

With a fork to cut things!!

Answer 5

If you have to ask, perhaps you should put down the knife.  

Answer 6

A knife you say?

It has several uses, cutting food, getting something open, unscrewing a s***w...