Question

Cutting vegetables with a blunt knife is difficult and with a sharp knife is easy. Give reason for your answer

Answer 1

Because sharp knife has less area which applies more pressure on the vegetable which is to be cut.....

Answer 2

Cutting vegetables with blunt knife is difficult just because the area of contact between the vegetable and the knife edge will be more .
But if the knife has a sharp edge the area of contact between the vegetable and the knife edge will be less then it is easy to cut.