Answer to Question #133278 in Physics for Emmanuella

Question #133278

A wooden stick 3m long is floating on the surface of water. The surface tension is 0.09N/m. By putting soap solution on one side of the stick, the surface tension is reduced to 0.08N/m. Find the Net force

Expert's answer

"F_{net}=(\\sigma_1-\\sigma_2)l=(0.09-0.08)3=0.03\\ N"

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