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JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Conservation of Linear Momentum and Impulse

  • question_answer
    A ball of mass 150g starts moving with an acceleration of \[20m/{{s}^{2}}\]. When hit by a force, which acts on it for 0.1 sec. The impulsive force is     [AFMC 1999; Pb. PMT 2003]

    A)             0.5 N-s

    B)             0.1 N-s

    C)             0.3 N-s

    D)             1.2 N-s

    Correct Answer: C

    Solution :

                                Impulse = Force ´ time = m a t             \[=0.15\times 20\times 0.1=0.3\,N\text{-}s\]


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