9th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    The velocity-time graph (velocity in m/s & time in second) of a ball of mass 20 g moving along a straight line on a long table is given in picture below. How much force does the table exert on the ball to bring it to rest?

    A) \[-\,0.25\,N\]

    B) \[-\text{ }0.0025\text{ }N\]

    C) \[-\,1.25\,N\]

    D) \[-\text{ }0.0004\text{ }N\]

    E) None of these

    Correct Answer: E

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