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The Brainliest Answer!
2016-01-24T21:40:57+05:30
Area is inversely proportional to pressure . For sharp nail the area is less , so it is easy to hammer than the blunt one .
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2016-01-24T21:41:15+05:30
As area in contact decreases,the thrust exerted by it on the surface increases thereby,making it easy to hammer a sharp nail than a blunt one
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