JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Motion of Connected Bodies

  • question_answer
    Two masses M and M/2 are joint together by means of a light inextensible string passes over a frictionless pulley as shown in figure. When bigger mass is released the small one will ascend with an acceleration of        [Kerala PET 2005]

    A)             \[g/3\]  

    B)             \[3g/2\]

    C)             \[g/2\]  

    D)             \[g\]

    Correct Answer: A

    Solution :

                    \[a=\left( \frac{{{m}_{2}}-{{m}_{1}}}{{{m}_{1}}+{{m}_{2}}} \right)\ g=\left( \frac{m-m/2}{m+m/2} \right)\ g=\frac{g}{3}\]


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