Question

please solve q 19i will mark the brainliest​

Answer 1

Answer:

(a) the pressure exerted by knife for a given force increases with increase in bluntness

(b) a sharp edge decreases the pressure exerted by knife for a given force

(c) a blunt knife decreases the pressure for a given force

(d) a blunt knife decreases the area of intersection.

Therefore,it's difficult to cut clothes with blunt scissor