Limiting angle of friction / angle of repose (tan λ = μs)
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tan λ = μs
What each symbol means
| Symbol | What it stands for |
|---|---|
| λ | Angle of friction (limiting) |
| μs | Coefficient of static friction |
When to use this
At limiting equilibrium on incline, tanθ = μs; λ is the friction angle where tanλ = μs.