Work Energy And Power Ques 9

Question: It is difficult to cut things with a blunt knife because

Options:

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

Show Answer

Answer:

Correct Answer: C