A block of mass m rests on a rough inclined plane. The coefficient of friction between the surface and the block is 
. At what angle of inclination 
of the plane to the horizontal will the block just start to slide down the plane?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
: The various forces acting on the block are as shown in the figure.
From figure
…… (i)
….. (ii)
Divide (i) by (ii) we get
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