A block rests on a rough inclined plane making an angle of `30^(@)` with horizontal. The coefficient of static friction between

A block rests on a rough inclined plane making an angle of `30^(@)` with horizontal. The coefficient of static friction between the block and inclined plane is `0.8` . If the frictional force on the block is `10 N`, the mass of the block in `kg` is `(g = 10 m//s^(2))`
A. `2.0`
B. `4.0`
C. `1.6`
D. `2.5`

A block rests on a rough inclined plane making an angle of `30^(@)` with horizontal. The coefficient of static friction between the block and inclined

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