It is difficult to cut things with blunt knife because – McqOptions

MCQOPTIONS

1.	It is difficult to cut things with blunt knife because
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
Answer» D. a blunt knife decreases the area of intersection

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