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

  • question_answer
    A man of weight 80 kg is standing in an elevator which is moving with an acceleration of \[6\,\,m/{{s}^{2}}\] in upward direction. The apparent weight of the man will be \[(g=10\,m/{{s}^{2}})\]                        [DPMT 2003]

    A)             1480 N

    B)             1280 N

    C)             1380 N

    D)             None of these

    Correct Answer: B

    Solution :

                    The apparent weight of man,             \[R=m(g+a)=80(10+6)=1280\,N\]


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