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CMC Medical CMC-Medical VELLORE Solved Paper-2008

  • question_answer
    The slope of the kinetic energy versus position vector gives the rate of change of

    A)  momentum      

    B)  velocity

    C)  force                                   

    D)  power

    E)  work

    Correct Answer: C

    Solution :

                    We know that, kinetic energy (KE) =\[\frac{1}{2}m{{v}^{2}}\] Also, force x displacement =\[\frac{1}{2}m{{v}^{2}}\] \[\Rightarrow \]               \[F=\frac{1}{2}m\frac{{{v}^{2}}}{d}=\frac{KE}{d}\] Hence, slope of kinetic energy versus position vector gives the rate of change of force.


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