the blade on the knife is sharp so it can get through hard objects (mostly foodstuff).
There are kitchen knives that you can use to cut food. ~I
The same things as modern knives are used for, to cut things with.
Knives are sharp to cut things and you can win some here http://woobox.com/rdk82y/4y2n8i
Cleavers are kitchen knives that are used to cut through small thin bones. They can be used when cutting chicken to split the ribs. It is also used to crush garlic.
"Yes it is possible to cut an apple with paring knives. However, a paring knife is best used to remove the inside seeds and not cut through the skin."
To cut things easily
Knives work to cut through objects by applying force to a small area, creating enough pressure to separate the molecules of the object being cut. The sharp edge of the knife concentrates this force, making it easier to slice through materials.
All knives will dull overtime if not properly cared for.
They cut things and people, possibly indiscriminately.
Yes,plastic knives can cut meat.
Knives and scissors have edges to cut things, but nails do not have sharp edges, they have points to penetrate hard surfaces.
yes cos you cut through stuff easier so there is less chance you will slip and cut ya self