A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2×10^−2 N. To keep the wire in equilibrium
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A 10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a force of 2×10^−2 N. To keep the wire in equilibrium, the surface tension in Nm^−1 of water is. A 10 cm long wire is placed horizontally on the surface of water and is gently pulled [...]