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JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Static and Limiting Friction

  • question_answer
    If a ladder  weighing 250N is placed against a smooth vertical wall having coefficient of friction between it and floor is 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor                             [AIIMS 2002]

    A)             75 N

    B)             50 N

    C)             35 N   

    D)             25 N

    Correct Answer: A

    Solution :

                    \[F=\mu R=0.3\times 250=75\ N\]   


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