explain the examples from your
day to day life where decreasing or increasing surface area can change
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Explanation:
example in which pressure increase with decrease in contact...
1. A sharp knife cuts more effectively than a blunt knife as it has a very small surface area and exerts more pressure.
2. A nail has a pointed edge so that it exerts more thrust or pressure.
3. Tip of a sewing needle.
4. Edge of an arrow.
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