8th Class Science Force and Pressure Question Bank Force and Pressure

  • question_answer
    Why does a rubber sucker stick to a surface?

    A)  It is the inherent property of rubber.

    B)  Gravitational force acts on it.

    C)  Elastic spring force acts on it.

    D)  Atmospheric pressure acts on it.

    Correct Answer: D

    Solution :

    When a rubber sucker is pressed on any surface, most of the air between its cup and the surface escapes out. The sucker sticks to the surface because of the atmospheric pressure which acts on it.


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