Question

(VII) Short
answer type Il questions:-
a) Explain why the cutting instruments are sharpened.​

Answer 1

Answer:

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

Answer:

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.