Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2014)

  • question_answer
    While jumping in a swimming pool, a swimmer bends his body to decrease his

    A)  angular momentum

    B)  angular speed

    C)  kinetic energy of translation

    D)  moment of inertia

    Correct Answer: D

    Solution :

    When the swimmer bends his body, he decreases his moment of inertia. As, \[l\,\omega \]is constant, when l decreases, co increases, /co remains constant because no external torque is applied to the system.


You need to login to perform this action.
You will be redirected in 3 sec spinner