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

  • question_answer
    A machine gun fires 20 bullets per second into a target. Each bullet weighs 150 gms and has a speed of 800 m/sec. Find the force necessary to hold the gun in position [EAMCET 1994]            

    A)             800 N           

    B)             1000 N            

    C)             1200 N            

    D)               2400 N          

    Correct Answer: D

    Solution :

                    \[F=mnv=150\times {{10}^{-3}}\times 20\times 800=2400\ N.\]


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