A block of mass 2kg is kept on the floor...

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

`2.5` N

5 N

`7.84` N

10 N

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