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A wedge of mass 2m and a cube of mass m ...

A wedge of mass 2m and a cube of mass m are shown in figure. Between cube and wedge, there is no friction. The minimum coefficient of friction between wedge and ground so that wedge does not move is `2 xx 10 ^(-x)` where x is

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A block on table shown in figure is just on the wedge of slipping. Find the coefficient of static friction between the block and table top

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Knowledge Check

  • A vehicle of mass m is moving on a rough horizontal road with momentum P. If the coefficient of friction between the tyres and the road be mu , then the stopping distance is,

    A
    `p/(2mumg)`
    B
    `p^(2)/(2mumg)`
    C
    `p^(2)/(2mu m^(2)g)`
    D
    `p/(2mu m^(2)g)`

  • A body of mass 20kg is moving on a rough horizontal plane. A block of mass 3 kg is connected to the 20 kg mass by a string of negligible mass through a smooth pulley as shown in the figure. The tension in the string is 27 N. The coefficient of kinetic friction between the heavier mass and the surface is (g=10 m//s^(2))

    A
    `0.025`
    B
    `0.035`
    C
    `0.35`
    D
    `0.25`

  • A block A of mass 3kg and another block B of mass 2 kg are connected by a light inextensible string as shown in figure. If the coefficient of friction between the surface of the table and A is 0.5. What maximum mass C is to be placed on A so that the system is to be in equilibrium? (g = 10 m//s^2)

    A
    3 kg
    B
    2 kg
    C
    1 kg
    D
    4 kg

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