A body of mass 10 kg slides a long a rou...

A body of mass 10 kg slides a long a rough horizontal surfce. The coefficient of friction is `1//sqrt(3)`. Taking `g=10m//s^(2)`. The least force which acts at an angle of `30^(@)` to the horizontal is

25 N

`100N`

`50 N`

`(50)/(sqrt(3))N`

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