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A wooden chair is dragged on the level f...

A wooden chair is dragged on the level floor and brought to the same place. Let the distance covered be .s. and frictional force acted on the chair by the floor be .f. . What is the work done by the frictional force

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Knowledge Check

  • The magnitude of static frictional force f_s lies between

    A
    `0 lt= f lt= mu_s N`
    B
    `0 gt= f gt= mu_s N`
    C
    0 and 1
    D
    0 and minimal static frictional force

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