Wednesday, January 13, 2010

Why does the point of a steel nail have more pressure than the head?

The pressure on the head is focused onto the point of the nail, since a point has little area the difference in pressure is greatly amplified.Why does the point of a steel nail have more pressure than the head?
Pressure is measured in force per square unit of area. Since the area of the point is much smaller, the pressure will be greater there. Smaller area=greater pressureWhy does the point of a steel nail have more pressure than the head?
Less surface area.

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