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JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Mock Test - Newtons Laws of Motion without Friction

  • question_answer
    An object is suspended from a spring balance in a lift. The reading is 240 N when the lift is at rest. If the spring balance reading now changes to 220 N, then the lift is moving

    A)  Downward with constant speed

    B)  Downward with decreasing speed

    C)  Downward with increasing speed

    D)  Upward with increasing speed

    Correct Answer: C

    Solution :

    [c] Acceleration is to be downward which is possible in option .


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