Question

it is easy to cut vegetables with sharp knife .a blunt knife doesn't work here. why does this happen?

Answer 1

IT IS DUE TO PRESSURE ..... Pressure is responsible for this . we know that Pressure is inversely proportional to the Area . when knife is sharps, Area is less and pressure is more and cut easily . And when Knife is blunt Area is more and Pressure is less .

HOPE YOU GOT IT........!!!!

Answer 2

$\huge\texttt{Answer;}$

Pressure is inversely proportional to area. Sharp knife has a small area of contact than the blunt knife. Thus, a force will exert more pressure while using a sharp knife than while using a blunt knife.