Find the frictionless design speed for a banked curve from its radius and banking angle, where the horizontal component of the normal force supplies the centripetal force.
输入弯道半径 r、倾角 θ、g,求设计速度。
| Item | Standard / Source | Key Point |
|---|---|---|
| Frictionless banked-curve speed | Classic circular-motion analysis | v = sqrt(g*r*tanθ) |
用于公路与赛道弯道的倾角设计、无摩擦设计车速估算与限速参考,帮助理解向心力来源与行车安全。。