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why it is difficult to cut vegetables with blunt knife

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it is difficult to cut vegetables from blunt knife because area of knife is large when we acts force on knife then,pressure distributed. pressure=Area/pressure
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Because the blunt knife has a large area of contact
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a blunt knife has larger surface area than a sharp one. Hence force applied will have its effect on larger area causing it difficult to cut vegetables.
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It is difficult to cut vegetables from blunt end of knife because of larger area of contact so lesser the pressure because area of contact is inversely proportional to pressure
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because a blunt knife has larger area = less net pressure
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because the area in contact is greater which leads to lesser effect of pressure
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