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Three blocks A,B and C of equal mass m a...

Three blocks A,B and C of equal mass m are placed one over the other on a smooth horizontal ground as shown in figure. Coefficient of friction between any two blocks of A,B and C is 1/2. the maximum value of mass of block D so that the blocks A,B and C move without slippping over each other is

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  • Three blocks of A, B and C of equal mass m are placed one over the other on a smooth horizontal ground as shown in figure. Cofficient of friction between any two blocks of A,B and C is 1/2. The maximum value of mass of block D so that the blocks A,B and C move without slipping over each other is-

    A
    6 m
    B
    5 m
    C
    3 m
    D
    4 m

  • There block A B ,and C of equal mass m are placed one over the other on a frictionless surface (table) as shown in figure The coefficient of friction between any blocks A ,B and C is mu The maximum value of mass of block D so that the blocks A,B and C move without slipping over each other is

    A
    `(3 m mu)/(mu + 1)`
    B
    `(3 m(1 - mu))/(mu)`
    C
    `(3 m(1 + mu))/(mu)`
    D
    `(3 m mu)/((1 - mu)`

  • A block of mass m is placed on the top of another block of mass M as shown in the figure. The coefficient of friction between them is mu . The maximum acceleration with which the block M may move so that m also moves along with it is

    A
    `mu g`
    B
    `mu(M)/(m) g`
    C
    `mu(m)/(M) g`
    D
    `(g)/(mu)`

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