Question

Why the tip of a needle is sharp ?​

Answer 1

Answer:

Since, pressure is equal to force per unit area, in order to produce a sufficiently large pressure on the cloth being stitched so that the needle can easily pass through the cloth, the tip of the sewing needle is made sharp.

Explanation:

Hope it helps

Answer 2

Answer:

The tip of the sewing needle is sharp so that due to its sharp tip, the needle may put the force on a very small area of the cloth, producing a large pressure sufficient to pierce the cloth being stitched.