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A block of mass 'm' rests on a rough inc...

A block of mass 'm' rests on a rough inclined plane making an angle `30^(@)` with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If force of friction on the block is 10N, the mass of the block is `(g=10 m//s^(2))`

A

0.2 kg

B

0.4 kg

C

0.8 kg

D

2 kg

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The correct Answer is:
D
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