9th Class Science Time and Motion Question Bank Motion

  • question_answer
    The velocity-time graph of an object is shown in the figure. Identify the correct statement(s) regarding this graph.
    (i) This is a non uniform velocity-time graph of the object.
    (ii) The velocity of the object is increasing at the same rate during OP and QR.
    (iii) The velocity of the object is decreasing at same rate during PQ and RT.

    A) Only (i) is correct.

    B) Only (ii) is correct.

    C) Only (iii) is correct.

    D) All (i), (ii) and (iii) are correct.

    Correct Answer: A

    Solution :

    From the graph, velocity of the object is increasing at constant rate for OP and QR and decreasing at constant rate for PQ, and RT. But rate of increasing or decreasing the velocity is not same for all intervals. It is a non-uniform velocity-time graph.


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