Question

it is difficult to cut vegetables with a blunt knife explain the reason by applying the concept of pressure​

Answer 1

Explanation:

A blunt knife has more area of cross section as compared to a sharp one.To keep the pressure constant,with the increase in the area of cross section,force increases.Thus, cutting with a blunt knife is difficult.

Answer 2

Answer:

because the blunt knife have broader surface area and we know pressure decrease with increased surface area. that's why when we cut vegetables with blunt knife it applies less pressure and it is difficult to cut it.