alleryFor a body on a 60° incline with μ = 0.5, the body:
AStays at rest (μ ≥ tan 60° required to hold)
BSlides down (tan 60° > μ = 0.5)
CSlides up
DFloats
Answer & Solution
Correct answer: B. Slides down (tan 60° > μ = 0.5)
For body to remain at rest, μ ≥ tan θ.
tan 60° = √3 ≈ 1.73. Since μ = 0.5 < 1.73, friction is insufficient. Body slides down.
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