Physics
Angle of Repose Calculator
Find the angle of repose from the friction coefficient.
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The angle of repose is the steepest slope a granular pile can hold without sliding.
The math behind it
θ = arctan(μ), where μ is the coefficient of friction between the grains.
Worked Example
μ = 0.6 → about 31°.Frequently Asked Questions
Why does dry sand peak around 34°?
That's its angle of repose, set by inter-grain friction.
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