A block rests on a rough inclined plane making an angle of with the horizontal. The coefticient of static friction between the block and the plane is 0.8 . If the frictional force on the block is
, the mass of the block is
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: Here, angle of inclination,
Coefficient of static friction between block and plane,
Frictional force on the block,
Let the mass of the block be .
The various forces acting on the block are shown in the figure given here.
As the block is resting on the plane,
or
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