For a rough inclined plane on which lies a body of weight...
For a rough inclined plane on which lies a body of weight W, the angle θ in the diagram above becomes the angle of friction if
tan θ = coefficient of static friction
cos θ = coefficient of dynamic friction
sin θ = coefficient of sliding friction
sec θ = limiting frictional force
Correct answer is A
No explanation has been provided for this answer.
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