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NEET Sample Paper NEET Sample Test Paper-45

  • question_answer
    In each of the three arrangements, the block of mass mi is being pulled left with constant velocity. There is no friction anywhere. The strings are light and inextensible and pulleys are massless. The ratio of the speed of the block of mass \[{{m}^{2}}\] in the three cases respectively is -
    (i)     
    (ii)
    (iii)

    A) 2 : 1 : 4                        

    B) 2 : 4 : 1

    C) 4 : 2 : 1                        

    D) None of these

    Correct Answer: A

    Solution :

    (i) \[{{v}_{1}}=\text{ }{{v}_{2}}\] (ii) \[2{{v}_{2}}={{v}_{1}}\] (iii) \[{{v}_{2}}=2{{v}_{1}}\]


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