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MGIMS WARDHA MGIMS WARDHA Solved Paper-2005

  • question_answer
    A force of 49 newton is just able to move a block of wood weighting 10 kg on a rough horizontal surface- Its coefficient of friction is:

    A) 1                                             

    B) 0.7

    C) 0.5                                         

    D) zero

    Correct Answer: C

    Solution :

    Coefficient of friction \[\mu =\frac{F}{R}\] \[=\frac{F}{mg}\] \[=\frac{49}{10\times 10}\] \[=0.49\] \[\approx 0.5\]


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