Why sharp knife cuts better than blunt knife ??
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6
Answer:
Explanation:
A sharp knife cuts objects better because due to its very thin edge, the force of our hand falls over very small area of the object producing a large pressure. And this large pressure cuts the object easily. On the other hand, a blunt knife has a thicker edge.
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2
Answer:
Pressure is inversely proportional to area. Sharp knife has a small area of contact than the blunt knife.Thus, a force will exert more pressure while using a sharp knife than while using a blunt knife.
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