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Question
Compare the pressure exerted by a sharp needle on a surface and the pressure exerted by a blunt needle.
Compare the pressure exerted by a sharp needle on a surface and the pressure exerted by a blunt needle.
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Solution
The correct option is A The pressure exerted by a sharp needle is more
Pressure exerted by a sharp needle is more than blunt needle because of less surface area for applied force in sharpneedle.
Pressure exerted by a sharp needle is more than blunt needle because of less surface area for applied force in sharpneedle.
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