why are cutting instruments sharpened?
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Explanation:
All cutting instruments such as blades, axes, etc. are sharpened so that the area of cross-section decreases and hence pressure exerted by them increases. Thus, they can easily penetrate a given surface
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1
Answer:
All cutting instruments such as blades, axes, etc. are sharpened so that the area of cross-section decreases and hence pressure exerted by them increases. Thus, they can easily penetrate a given surface
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