A horizontal force $12 \,N$ pushes a block weighing $1/2\, kg$ against a vertical wall.  The  coefficient of static friction between the wall and the block is $0.5$ and the coefficient of  kinetic friction is $0.35.$ Assuming that the block is not moving  initially. Which one of the following choices is correct (Take $g = 10 \,m/s^2$)

819-1086

  • A

    Block moves vertically downwards

  • B

    Block moves vertically upwards

  • C

    Block will not move and force exerted on the block by the wall is $12\,N$

  • D

    Block will not move and force exerted on the block by the wall is $13\, N$

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