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NEET Sample Paper NEET Sample Test Paper-43

  • question_answer
    A light string passing over a smooth light pulley connects two blocks of masses \[{{m}_{1}}\] and \[{{m}_{2}}\] (vertically). If the acceleration of the system is g/8 then the ratio of the masses is -

    A) \[8:1\]                           

    B) \[9:7\]

    C) \[4:3\]                           

    D) \[5:3\]

    Correct Answer: B

    Solution :

    \[a=\left( \frac{{{m}_{1}}-{{m}_{2}}}{{{m}_{1}}+{{m}_{2}}} \right)g\Rightarrow \frac{g}{8}=\left( \frac{{{m}_{1}}-{{m}_{2}}}{{{m}_{1}}+{{m}_{2}}} \right)g\] \[\Rightarrow \frac{{{m}_{1}}}{{{m}_{2}}}=\frac{9}{7}\]


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