A block rests on a rough inclined plane making an angle of 
with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10 N, the mass of the block (in kg) is (take 
Text Solution
Verified by ExpertsThe correct answer is:
A
Angle of repose 
Angle of inclined plane is given 
.
It means block is at rest therefore,
Static friction = component of weight in downward direction 
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