NEET Sample Paper NEET Sample Test Paper-87

  • question_answer
    Consider the following statement: When jumping from some height, you should bend your knees as you come to rest, instead of keeping your legs stiff. Which of the following relations can be useful in explaining the statement? Where symbols have their usual meanings.

    A) \[\Delta {{\overrightarrow{p}}_{1}}=-\Delta {{\overrightarrow{p}}_{2}}\]

    B) \[\Delta E=\Delta (PE+KE)=0\]

    C) \[\overrightarrow{F}\Delta t=m\Delta \overrightarrow{v}\]

    D) \[\Delta x\propto \Delta F\]

    Correct Answer: C

    Solution :

    [c] If \[\overrightarrow{F}\] force acts for short interval \[\Delta t\] then\[\overrightarrow{F}\,\,\Delta t=m\Delta \overrightarrow{v.}\]


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