Question

explain why all the cutting instruments are needed to be sharpen

please only answer the correct one


otherwise I will report answer​

Answer 1

All cutting instruments such as blades, axes, etc. are sharpened so that the area of cross-section decreases and hence pressure exerted by them increases. Thus, they can easily penetrate a given surface.

Answer 2

Explanation:

All cutting instruments such as blades, axes, etc. are sharpened so that the area of cross-section decreases and hence pressure exerted by them increases. Thus, they can easily penetrate a given surface.