A sharp knife cuts better than a blunt knife. Which of the following is the correct reason for this? Options: A . &nbsp A sharp knife has a smaller contact surface area and hence applies less pressure. B . &nbsp A sharp knife is usually made of silver which is a strong metal. C . &nbsp A sharp knife has a smaller contact surface area and hence applies more pressure. D . &nbsp A sharp knife has a larger contact surface area and hence applies more pressure.

A sharp knife cuts better than a blunt knife. Which of the following is the co

Question

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

Options:

A . A sharp knife has a smaller contact surface area and hence applies less pressure.

B . A sharp knife is usually made of silver which is a strong metal.

C . A sharp knife has a smaller contact surface area and hence applies more pressure.

D . A sharp knife has a larger contact surface area and hence applies more pressure.

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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