Solving a problem in physics section 31 point 21 molecu

Solving a problem in physics section 31 point 21 molecu

21. Determine what force F must be applied to the horizontal brass ring height h = 15 mm, an inner diameter d1 = 40 mm and the outside - d2 = 42 mm, to remove it from the water surface. Copper density ρ = 8,93 g / cm3, the surface tension σ = 73 mN / m.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)