The second term, \(2 m \vec{v} \times \vec{\Omega}\) Landau calls the Coriolis force. (Again, the politically correct tend to talk about the Coriolis effect, meaning deviation of a projectile, say, fr...The second term, \(2 m \vec{v} \times \vec{\Omega}\) Landau calls the Coriolis force. (Again, the politically correct tend to talk about the Coriolis effect, meaning deviation of a projectile, say, from an inertial frame trajectory resulting from the operation of this “force”.) A very nice illustration of this “force” is in the Frames of Reference 2 movie, starting at time 3:50.