Banking of roads (ideal, no friction) (tan θ = v²/(rg))
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tan θ = v²/(rg)
What each symbol means
| Symbol | What it stands for |
|---|---|
| g | 9.8 or 10 m/s² |
| r | Radius (m) |
| v | Design speed (m/s) |
| θ | Banking angle |
When to use this
Ideal smooth banked turn: horizontal component of normal provides centripetal force; vertical balances weight.