Question
A sharp knife cuts better than a blunt knife. Which of the following is the correct reason for this?
Answer: Option C
:
C
A sharp knife has a lesser contact surface area than a blunt one. Lesser the surface area, greater will be the pressure. So, a sharp knife applies a greater pressure when it is used for cutting.This is why a sharp knife cuts better than a blunt one.
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:
C
A sharp knife has a lesser contact surface area than a blunt one. Lesser the surface area, greater will be the pressure. So, a sharp knife applies a greater pressure when it is used for cutting.This is why a sharp knife cuts better than a blunt one.
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