Why the tools meant for cutting …
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Meghna Thapar 4 years, 11 months ago
A sharp knife cut objects better because due to its very thin edge, the force of our hand falls over a very small area of the object producing a large pressure and this large pressure cuts the object easily. While a blunt knife has a thicker edge. Because the more the surface area the less the pressure and the less the surface area the more the pressure. We will need more pressure to cut and pierce objects that is why the tools meant for cutting and piercing have sharp edges.
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