Defined modelisation discuss its impact on india society in sociology
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Needle are meant for piercing things. So, the pointed tips allows the needle to exert high pressure on the surface to be pierced.
We know,
Pressure = Force/Area
So, for small surface area, ie. For pointed tips small force can produce large pressure.
Thus, pointed tips of needle help piercing surfaces easy.
We know,
Pressure = Force/Area
So, for small surface area, ie. For pointed tips small force can produce large pressure.
Thus, pointed tips of needle help piercing surfaces easy.
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