9th Class Science Force and laws of motion Question Bank Force and Laws of Motion

  • question_answer
    If soldiers had the options to use guns of different weights but the bullets used are of a fixed weight, what would they prefer and why?

    A)  Light guns, because handling them is easy

    B)  Heavy guns, because they can be held firmly

    C)  Heavy guns because they have less recoil  

    D)  Light guns, because they can be carried easily

    Correct Answer: C

    Solution :

     If \[P=mv\] is the momentum of the rifle after firing, in order to have less recoil speed, the mass of the gun should be more.


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