Question

A sharp knife cuts better than a blunt knife. Which of the following options gives the correct reason for this?

• A. True
• B. False
• C. A sharp knife applies more pressure by virtue of its smaller contact surface
• D. A sharp knife has more surface area and hence applies more pressure

Answer 1

Answer: (A), (C)

The correct options are
A

True

C A sharp knife applies more pressure by virtue of its smaller contact surface

A sharp knife has lesser surface area than a blunt one, so, a sharp knife applies a greater pressure when used for cutting. This is why it cuts better.