9th Class Science Time and Motion

  • question_answer 42)
      The displacement of a moving object in a given interval of a time is zero. Would the distance travelled by the object also be zero? Justify your answer?

    Answer:

      The displacement of a moving object in a given interval is zero i.e., the object comes back to its initial position in the given time (displacement is the shortest distance between the initial and final position of an object). The distance in this case will not be zero because distance is the total length of the path travelled by the body. If the object comes back to its initial position, then length of path travelled is not zero.


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