JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Third Law of Motion

  • question_answer
    A man is standing at a spring platform. Reading of spring balance is 60 kg wt. If man jumps outside platform, then reading of spring balance         [AFMC 1996; AIIMS 2000; Pb. PET 2000]            

    A)             First increases then decreases to zero            

    B)             Decreases            

    C)             Increases            

    D)             Remains same

    Correct Answer: A

    Solution :

                    For jumping he presses the spring platform, so the reading of spring balance increases first and finally it becomes zero.            


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