Question

a nail is provided with a sharp point and flat head.explain the advantage of these features.

Answer 1

Answer:

Smaller the area, more is the pressure and hence by applying a bit of force , the nail drives in to the object, hence sharp point.

The larger nail head provides assistance in hammering as larger area, so pressure is less and the nail doesn't get damaged.

Answer 2

pressure is inversely proportional to area.(more area implies less pressure and vice versa)

sharp point means less area i.e. more pressure for same force

flat had increases area allowing us to hammer it...

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