Question

why does a sharp knife cut vegetables be better than a blunt knife?

Answer 1

Beacuse sharp knifes have less area and less area means more force applied as force is inversly proportional to area wheras in blunt knife it is the contrary

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.