When area increases pressure decrease. Find 3 situation where this principle is applied
Answers
Answer:
1. When we use a sharp knife we find it easier to cut things as compared to a blunt knife. A sharp knife has less area as compared to the blunt knife and there is also less pressure to be put in.
2.When we want to hammer a nail onto the wall we find the using a sharper nail is easier as compared to a blunt nail. A sharper nail has less area as compared to the blunt nail. We would also need to put less pressure.
Explanation:
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.
5.Edges of tools used to pierce things.
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