Question

GIVE SCIENTIFIC REASON
THE TOOLS USED FOR CUTTING AND PIERCING ALWAYS HAVE SHARP EDGES?​

Answer 1

Answer:

Explanation:

The smaller the area, larger the pressure on a surface for the same force. This is why tools meant for cutting and piercing always have sharp edges. By increasing the area we can also reduce the pressure on a surface for the same applied force.

Answer 2

Answer:

because it was helping the tools to cutting and piercing