KVPY Sample Paper KVPY Stream-SX Model Paper-20

  • question_answer
    Angular position \[\theta \] of a body changes with time as shown below.
    Now, choose the correct option.

    A) Body is initially rotating anti-clockwise, then it starts rotating clockwise

    B) Body is rotating anti-clockwise

    C) Body is rotating clockwise

    D) Cannot be said

    Correct Answer: B

    Solution :

    As \[\omega =\frac{d\theta }{dt}\] slope of \[\theta -t\] line which is positive in given case so, body is rotating anti-clockwise.


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