"a sword cannot replace a needle". give reason for the saying with respect to pressure.
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pressure = force/area so comparing a needle and sword, sword has lagre surface area so according to formula less the area gives more pressure hense a needle could peirce way better than sword hence proved
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Explanation:
Pressure = force/area
So, comparing a needle and sword, sword has larger surface area so according to formula less the area gives more pressure hence a needle can pierce through way better than a sword. A needle can stitch because of its ability to pierce through easily but a sword can't.
Whereas a sword can give larger area of damage because of its increased surface area but a needle can't.
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