A block of mass $2 \,kg$ is kept on the floor. The coefficient of static friction is $0.4$. If a force F of $2.5$ Newtons is applied on the block as shown in the figure, the frictional force between the block and the floor will be ........ $N$ 

27-23

  • A

    $2.5$

  • B

    $5$

  • C

    $7.84$

  • D

    $10$

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