Question

2. A sharp pin works better than a blunt pin. Explain
the reason.​

Answer 1

Answer:

A sharp pin works better than a blunt pin bcoz the area of tip of sharp pin is small.

Since, pressure is inversely proportional to area it exerts a high pressure and works better

Explanation:

Answer 2

Explanation:

Because a sharp pin has lower area at the tip than a blunt pin so for the same pressure applied, it can gives greater force as compared to blunt pin making it better for piercing.