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9th Class Science Force and laws of motion Question Bank Force and Laws of Motion

  • question_answer
    Figure shows the displacement of a particle going along the x-axis as function of time. The force acting on the particle is zero in the region

    A) AB                              

    B) BC      

    C) CE                  

    D)        DE.                 

    Correct Answer: A

    Solution :

    In the region AB, particle is moving with constant speed in a straight line. So, acceleration is zero and hence, force acting on the particle is zero in this region.


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