A thin wire ring, 3 cm in diameter, is lifted from a water surface at 20 8 C. Neglecting
Chapter 1, Problem p1.66(choose chapter or problem)
A thin wire ring, 3 cm in diameter, is lifted from a water surface at 20 8 C. Neglecting the wire weight, what is the force required to lift the ring? Is this a good way to measure surface tension? Should the wire be made of any particular material?
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