9th Class Science Time and Motion Question Bank MCQs - Motion

  • question_answer
    A body performs uniform circular motion, then

    A) its velocity is constant

    B) its speed is constant

    C) an acceleration works towards centre

    D) Both [b] and [c]

    Correct Answer: D

    Solution :

    [d] When a body moves on circular path with uniform speed, then its velocity continuously changes due to change the direction of motion of body, hence a centripetal acceleration works towards centre of circular path.


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