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JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Self Evaluation Test - Laws of Motion

  • question_answer
    Two monkeys of masses 10 kg and 8 kg are moving along a vertical rope which is light and inextensible, the former climbing up with an acceleration of \[2m/{{s}^{2}}\] while the latter coming down with a uniform velocity of \[2m/s\]. Find the tension (in newtons).

    A) 200 N  

    B) 150 N

    C) 300 N  

    D) 100 N

    Correct Answer: A

    Solution :

    [a] \[T={{T}_{1}}+{{T}_{2}}={{m}_{1}}\left( g+a \right)+{{m}_{2}}g\] \[=10\left( 10+2 \right)+8\left( 10 \right)=120+80=200N\]


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