JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Self Evaluation Test - Laws of Motion

  • question_answer
    If u be the coefficient of friction between the block and the cart, horizontal acceleration of the cart that is required to prevent block B from faffing is:              

    A) \[\mu /g\]

    B) \[g/\mu \]

    C) \[g\]

    D) \[\left( {{\mu }^{2}}+1 \right)g\]

    Correct Answer: B

    Solution :

    [b]     \[mg=\mu N=\mu ma\therefore a=\frac{g}{\mu }.\]


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