• Question: Why does water not move when you spin a mug?

    Asked by anon-207621 to Silvia, Scott, Oliver, Natalie, Michelle, Lowri on 14 Mar 2019.
    • Photo: Natalie Lamb

      Natalie Lamb answered on 14 Mar 2019:

      The water in the cup acts as a body separate from the cup. Because of the weak adhesiveness of water to the mug (they are not strongly attracted to each other), the movement of the mug is not transferred to the water.

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