Question

Why is it difficult to cut fruit with a blunt knife

Answer 1

blunt knife has more surface area of contact and thus puts less pressure with the same force on the fruit as compared to a sharp knife which has less area of contact and thus more pressure can be applied using same force. this is given by the formula, P=$\frac{F}{A}$ 
This implies that force is inversely proprtional to pressure

Answer 2

Answer:

If we compare the concept of pressure than my dear friend, the more less the area(Sharp) of a knife will be the more pressure will be generated on the surface of fruit.And it will be cut with ease.

Explanation:

Here is your answer if u get the concept than mark this as a brainliest.