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      Question

      A bus moving along a circular track is an example

      of
      A inertial frame of reference Correct Answer Incorrect Answer
      B non-inertial frame of reference Correct Answer Incorrect Answer
      C accelerated motion Correct Answer Incorrect Answer
      D both 2 & 3 Correct Answer Incorrect Answer

      Solution

      A bus moving along a circular track is an example of accelerated or non-inertial frame of reference. A frame of reference which is accelerating with respect to an inertial frame of reference is called non-inertial frame of reference. The bus is a non-inertial frame of reference. This is because the direction of bus is continuously changing and hence, it's velocity is also changing. Hence acceleration is changing.

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