0
The Coriolois force on an object is an "apparent" force that acts on a moving object when observed from a rotating frame of reference. Example, suppose you shoot a bullet from the center of a rotating merry-go-round at someone standing on the rim. If the merry-go-round is spinning fast enough your bullet will miss. Someone standing on the ground says you missed because by the time the bullet got to the target, the target had rotated out of the way. But someone on the merry-go-round says "no, the target didn't move but the bullet curved away from the target, as if a force acted on it". The value of the Coriolis force is 2mvwSin(A), where; m is the mass of the moving object, v is its velocity, w is the angular velocity of the rotating reference frame, and A is the angle between the direction of v and the direction of the rotation axis (up for CC rotation). The direction of the Coriolis force is perpendicular to the plane formed by the direction of v and rotation axis, in the sense found by curling fingers of right hand from v towards rotation axis and your thumb will point in direction of the force. In the merry-go-round example angle A would be 90 deg, so Sin(A) = 1. I gave no rotation direction for merry-go-round so you can't tell if bullet will go to the left or right of target.
Wiki User
∙ 15y ago
Wiki User
∙ 10y agoWhen one looks at motion in a non-inertail frame of reference, it is the "apparent" force that is due to the velocity of an object moving with repect to a rotating reference frame.
Wiki User
∙ 11y agothe coriolis effect occurs because of earths rotation
Add your answer:
Earn +20 pts
Who discovered the coriolis force?
Mr Coriolis
Where do hurricanes occur on the equator?
No, Hurricanes occur in the tropics, but at the equator there is not enough Coriolis force to start them turning.
The earth's rotation influences currents by a force known as what?
Coriolis effect
What produces the strongest Coriolis force?
The fastest rotation of the smallest radius does.
What is the apparent force created by the earths rotation?
Coriolis force describes an apparent force that is due to the rotation of the earth. (From my meteorolgy textbook)
Who discovered the coriolis force?
Mr Coriolis
What effect will a reduction in surface wind speed have on the Coriolis force?
The effect that a reduction in surface wind speed will have on the Coriolis force is to reduce the effect of the Coriolis force. Winds blowing at higher speeds are pulled on more by the Coriolis force, which somewhat alters the direction in which they blow.
What affect will a reduction in surface wind speed have on the Coriolis force?
The surface wind speed has no effect on the Coriolis Force. The Coriolis Force is dependant on the rotation of Earth that has the effect on surface wind and not the other way around
What is the effects produced by a force on a body?
coriolis
What force is responsible for wind?
The Coriolis Effect
Where do hurricanes occur on the equator?
No, Hurricanes occur in the tropics, but at the equator there is not enough Coriolis force to start them turning.
What is the apparent force on the wind that is caused by the spin of the earth?
coriolis force
How does the Coriolis force effect modify air movement?
In the Northern Hemisphere, the Coriolis force deflects winds to the right. This causes hurricanes and typhoons to spin counterclockwise. In the Southern Hemisphere, the Coriolis force deflects winds to the left. This causes hurricanes and typhoons to spin clockwise.
Why do hurricains turn in different directions above and below the equetor?
That's the Coriolis force - deviations in movement on a large scale, due to the Earth's rotation.That's the Coriolis force - deviations in movement on a large scale, due to the Earth's rotation.That's the Coriolis force - deviations in movement on a large scale, due to the Earth's rotation.That's the Coriolis force - deviations in movement on a large scale, due to the Earth's rotation.
What is the force that deflects wind?
The Coriolis effect is the force that deflects prevailing winds
What evidence can you give that the earth is rotating?
Coriolis force.
Are upper air winds unaffected by the coriolis force?
Only subtropical high pressure is affected by coriolis force whereas upper air winds (jetstreams) are not affected.
