Question

why are we able to pierce the skin easily using a needle than a thick blult pencil​

Answer 1

Answer:

As the tip of the needle is sharper.

Answer 2

Hi✌️✌️

As we know that sharp needle has the greater Force acting per unit area than the blunt needle.

It means that a sharp needle can pierce the skin easily as there is a greater pressure acting on to skin by needle but in case of blunt needle it won't happen.

Hope you get your answer.

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