2. Questions Bank
  3. JEE Main & Advanced
  4. Physics
  5. NLM, Friction, Circular Motion

JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Second Law of Motion

  • question_answer
    A rocket is ejecting \[50g\] of gases per sec at a speed of \[500\,m/s.\] The accelerating force on the rocket will be [Pb. PMT 2002]

    A)             \[125\,N\]        

    B)             \[25\,N\]

    C)             \[5\,N\]

    D)             Zero

    Correct Answer: B

    Solution :

                    \[F=u\ \left( \frac{dm}{dt} \right)=500\times 50\times {{10}^{-3}}=25\,N\]


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