Question

a sharf knife cuts vegetables and fruits more effectively than a blunt knife​

Answer 1

Answer:

A sharp knife cuts fruits and vegetables more efficiently than a blunt knife because, the surface area of the knife is lesser than the blunt knife. ➡️When the surface area is lesser, the sharp knife can easily cut through the fruit or vegetable making it easy to cut.

Explanation:

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Answer 2

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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.