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BVP Medical BVP Medical Solved Paper-2005

  • question_answer
    A sphere is accelerated upwards by a cord whose braking strength is four times its weight. The maximum acceleration with which the sphere can move up without breaking the cord is :

    A)  g            

    B)  3g                         

    C)  2g                         

    D)  4g

    Correct Answer: B

    Solution :

                    Here the tension in the cord is given by \[T=mg+ma\] (Here : upwards acceleration = a, mass of sphere = m, T = 4 mg) So,        \[4mg=mg+ma\] \[3mg=ma\] \[g=\frac{a}{3}\]                 or            \[a=3g\]


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