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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.
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Who discovered the coriolis force?
The Coriolis force was described by French mathematician and engineer Gaspard-Gustave de Coriolis in 1835. He formulated the concept to explain the deviations in the motion of objects on a rotating surface.
Explain why Geostrophic wind is not possible at the equator?
Geostrophic wind is not possible at the equator because the Coriolis force is negligible at the equator due to the Earth's rotation, resulting in a weak pressure gradient force dominating. This weak Coriolis force prevents the balance between pressure gradient force and Coriolis force required for geostrophic winds.
What produces the strongest Coriolis force?
The strength of the Coriolis force is influenced by the speed of the object or fluid and the latitude at which it is moving. Faster moving objects and those at higher latitudes will experience a stronger Coriolis force.
At which location does the coriolis force have the least effect on wind?
The Coriolis effect has the least effect on winds in equatorial regions and the most effect on winds in polar regions. Coriolis effect deflects winds to the right of their initial direction in the northern hemisphere and left of their initial direction in the southern hemisphere.
Where do hurricanes occur on the equator?
Hurricanes do not typically occur on the equator because they require the Coriolis effect to form, which is stronger away from the equator. Hurricanes usually occur in regions at least 5 to 20 degrees away from the equator, in both the northern and southern hemispheres.
What affect will a reduction in surface wind speed have on the Coriolis force?
A reduction in surface wind speed will have a minor effect on the Coriolis force. The Coriolis force is primarily influenced by the Earth's rotation and the object's velocity, not the speed of the wind. Therefore, a decrease in wind speed will not significantly alter the Coriolis force.
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.
Who discovered the coriolis force?
The Coriolis force was described by French mathematician and engineer Gaspard-Gustave de Coriolis in 1835. He formulated the concept to explain the deviations in the motion of objects on a rotating surface.
Explain why Geostrophic wind is not possible at the equator?
Geostrophic wind is not possible at the equator because the Coriolis force is negligible at the equator due to the Earth's rotation, resulting in a weak pressure gradient force dominating. This weak Coriolis force prevents the balance between pressure gradient force and Coriolis force required for geostrophic winds.
What produces the strongest Coriolis force?
The strength of the Coriolis force is influenced by the speed of the object or fluid and the latitude at which it is moving. Faster moving objects and those at higher latitudes will experience a stronger Coriolis force.
What influences the magnitude of the Coriolis force?
The magnitude of the Coriolis force is influenced by the speed of the object, the latitude of the object, and the Earth's rotation rate. Objects moving faster or situated at higher latitudes will experience a greater Coriolis force.
What is the apparent force on the wind that is caused by the spin of the earth?
coriolis force
What is the effects produced by a force on a body?
coriolis
What force is responsible for wind?
The Coriolis Effect
What are the three things that the magnitude of the Coriolis Force depends?
The magnitude of the Coriolis force depends on the speed of the object, the latitude at which the object is located, and the mass of the object.
In the absence of friction the combined effect of the Coriolis force and the pressure gradient force produces what?
In the absence of friction, the combined effect of the Coriolis force and the pressure gradient force produces geostrophic balance. This balance results in a steady state where the Coriolis force is exactly balanced by the pressure gradient force, allowing for straight and parallel flow without any acceleration.
What is the force that deflects wind?
The Coriolis effect is the force that deflects prevailing winds
