Coriolis Force

Discussion

Talk, Talk, Talk

Gustave Coriolis (1792–1843) France
Mémoire sur les équations du mouvement relatif des systèmes de corps. Gaspard-Gustave Coriolis. Journal de l'École polytechnique. Vol. 15 No. 24 (1835) 142–154.

Should this be changed to a discussion of radial vs. tangential acceleration?

Acceleration in a rotating coordinate system

direction

real

fictitious

radial

a_r =

radial

⎛ ⎜ ⎝	d²r	⎞ ⎟ ⎠
	dt²

−

centrifugal

r	⎛ ⎜ ⎝	dθ	⎞² ⎟ ⎠
		dt

= a − rω²

tangential

a_t =

tangential

r	⎛ ⎜ ⎝	d²θ	⎞ ⎟ ⎠
		dt²

coriolis

2	⎛ ⎜ ⎝	dr		dθ	⎞ ⎟ ⎠
		dt		dt

= rα + 2vω