The figure below shows a match stick floating on the surface of water in a basin.

      

The figure below shows a match stick floating on the surface of water in a basin.
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When a drop of soap solution was carefully added to the water at A, the match stick is observed to move in a certain direction. State the direction of this match using A and B and explain this observation.

  

Answers


sharon
Surface tension at A reduces and greater surface tension at B pulls the matchstick in the direction shown.
sharon kalunda answered the question on September 11, 2019 at 12:29


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