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

  • question_answer
    A force of 98 N is required to just start moving a body of mass 100 kg over ice. The coefficient of static friction is

    A)                         0.6                

    B)                         0.4            

    C)                         0.2                  

    D)                         0.1            

    Correct Answer: D

    Solution :

                                \[\mu =\frac{F}{R}=\frac{F}{mg}=\frac{98}{100\times 9.8}=\frac{1}{10}=0.1\]


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