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Why does a sharp knife cut better than a blunt one?

Why does a sharp knife cut better than a blunt one?
 

Grade:8

1 Answers

Bijay Mandal
31 Points
20 days ago
This is because a sharp knife has less surface area than a blunt one. Because of less surface area it's apply a greater pressure than blunt one. That is the reason a sharp knife cut better than a blunt one.
  1. Note : surface Area inversely proportional to pressure.

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