In order to overcome a surface tension of a fluid,a force of 1.32 ´ 10-2 N is required to lift a wire ring of circumference 12.0 cm.What is the surface tension of the fluid?
A) 0.055 N/m
B) 0.11 N/m
C) 0.035 N/m
D) 0.018 N/m
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