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JEE Main & Advanced Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Graphical Questions

  • question_answer
    The potential energy of a system is represented in the first figure. the force acting on the system will be represented by

    A)

    B)                        

    C)

    D)

    Correct Answer: C

    Solution :

        As slope of problem graph is positive and constant upto certain distance and then it becomes  zero.             So from \[F=\frac{-dU}{dx}\], up to distance a, F = constant (negative) and becomes zero suddenly.            


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