Question

why the tools meant for cutting and piercing always have sharp edges?​

Answer 1

Answer:

Sharp Objects

Explanation:

We will need more pressure to cut and pierce objects that is why the tools meant for cutting and piercing have sharp edges. Because the more the surface area the less the pressure and the less the surface area the more the pressureThe cutting edges of tools like blades, knives etc., are provided with sharp edges to cut the things easily as the sharp edges has small area on which the force is applied, hence more

Answer 2

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.