A block has been placed on an inclined plane. The slope angle θ of the plane is such that the block slides down the plane at a constant speed. The coefficient of kinetic friction is equal to:
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a
sin θ
b
cos θ
c
g
d
tan θ
answer is D.
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Detailed Solution
Block slides down with constant velocity somgsinθ−μmgcosθ=0⇒μ=tanθ