Question

the edge of a drawing pin is sharp and pointed one. why?​

Answer 1

Answer:

one end of a drawing pin is sharp in order to increase pressure on the surface where the pin is to be inserted . So, that it easily pierce because smaller the area more the pressure will be exerted .

Explanation:

i hope it helps u

Answer 2

Explanation:

Pressure exerted by the tip of a sharp pin helps it to pierce. Since the surface area of the tip of the pin is very little, it requires less effort to get more pressure.

$pressure = \frac{force \: exerted}{area}$

ie. pressure is inversely proportional to the area .