It is difficult to cut things with a blunt knife because

Question 24 It is difficult to cut things with a blunt knife because

A) the pressure exerted by knife for a given force increses 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 decrease the area of intersection

Answer: a blunt knife decreases the pressure for a given force

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