Question

the tools used forcutting and peircing always have sharp edge​

Answer 1

Answer:

Because the more the surface area the less the pressure and the less the surface area the more the pressure. We will need more pressure to cut and pierce objects that is why the tools meant for cutting and piercing have sharp edges.

Answer 2

Explanation:

Because the more the surface area the less the pressure and the less the surface area the more the pressure. We will need more pressure to cut and pierce objects that is why the tools meant for cutting and piercing have sharp edges.