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8th Class Science Sample Paper Science Olympiad Model Test Paper-9

  • question_answer
    If an inflated balloon is rubbed with a piece of synthetic cloth and then pressed against a wall, the balloon sticks to the wall. Which one of the following forces is responsible for this?

    A)  Frictional force

    B)  Magnetic force

    C)  Electrostatic force

    D)  Gravitational force

    E)  None of these

    Correct Answer: C

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