Coriolis force
Noun
Meaning
(physics) a force due to the earth's rotation; acts on a body in motion (airplane or projectile) in a rotating reference frame; in a rotating frame of reference Newton's second law of motion can be made to apply if in addition to the real forces acting on a body a Coriolis force and a centrifugal force are introduced
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Examples
As the car climbs, the cable takes on a slight lean due to the Coriolis force.
An observer would see it apparently deflected away from its target by a force (the Coriolis force ), but in reality, the southerly target has moved because earth has rotated while the missile is in flight.
Applied to the Earth An important case where the Coriolis force is observed is the rotating Earth.
Ballistic trajectories The Coriolis force became important in external ballistics for calculating the trajectories of very long-range artillery shells.
Because the Rossby number is low, the force balance is largely between the pressure gradient force acting towards the low-pressure area and the Coriolis force acting away from the center of the low pressure.
But in a frame rotating about a fixed axis, the object appears to move in a circle, and is subject to centripetal force (which is made up of the Coriolis force and the centrifugal force).