small the following answer. This is because the area of contact of the sharp knife is smaller than the blunt knife. Thus we conclude that the smaller area over this which the force acts, the more is effect of force. question Why is it difficult to cut an apple with a blunt knife?
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The sharp end of knife has much smaller area compared to its blunt end. Smaller area provides more pressure for the applied force. Hence, it becomes easier to cut an apple with sharp end of knife compared to with its blunt end.
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