J & K CET Medical J & K - CET Medical Solved Paper-2009

  • question_answer
    The working principle of rocket propulsion is conservation of

    A)  angular momentum      

    B)  mass

    C)  linear momentum         

    D)  kinetic energy

    Correct Answer: C

    Solution :

                     The initial momentum of the rocket on its launching pad is zero. When it is fired from the launching pad, the exhaust gases rush downward at a high speed and to conserve linear momentum, the rocket move upwards.


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