Question

carry heavy loads.
(c) A sharp knife cuts vegetables and fruits more effectively than a blunt
knife.​

Answer 1

Answer:

The main cause for it is the difference in pressure. When the surface area is less, the pressure is high while when surface area is more, the pressure is less. Since, a sharp knife has a pointed and thin surface area, therefore the pressure on the vegetables and fruits is high and hence they are easily chopped while surface area is more in a blunt knife therefore, pressure is less and it is not easy to cut vegetables and fruits with a blunt knife.

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Answer 2

Answer:

hope it will help you

Explanation:

a sharp knife cuts vegetables and fruits more efficiently than blunt knife because as we know that pressure is force per unit area .

if the surface area increases than force will decrease

and if the surface decrease than force increases

so a sharp knife is having less surface area and exerts more force on vegetables and fruits but the blunt knife is having more surface area and hence force exerted by it is less

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