Solved: Find the work done-the wire is moved-make the film, Mechanical Engineering

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Find the work done-the wire is moved-make the film

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Q: A film of ethanol at 20°C has a surface tension of 22.3mN/m and is maintained on a wire frame. Consider the film with two surfaces as a control mass and find the work done when the wire is moved 10 mm to make the film 20 to 40 mm. You should solve the given problem step by step

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Mechanical Engineering: Find the work done-the wire is moved-make the film

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