True/False. If false, explain why it is false 1. (1 pt) True False: Force balanc

Question

True/False. If false, explain why it is false 1. (1 pt) True False: Force balance implies zero net acceleration, such that the sources and sinks of momentum sum to zero. 2. (1 pt) True False: If an air parcel is at force balance, i is motionless. 3. (1 pt) True False: Geostrophic balance is defined by a balance of forces between the 4. 1 pt) True False: The geostrophic wind is directed parallel to isobars with lower 5. (1 pt) True / False: A cyclone has relatively low pressure at its center Coriolis force and gravity e to the left in the Northern hemisphere. 6. (1 pt) True False: The pressure gradient acceleration may be equivalently written as 7. (1 pt) True 8. (1 pt) True False: For a given latitude and pressure surface, the geostrophic wind 9. (1 pt) True False: Thermal wind balance states that the horizontal rate of change of an acceleration "downhill" by gravity on a surface of constant pressure equivalent to a region of high geopotential height on a surface of constant pressure will be stronger in regions where the geopotential height contours are closer together the geostrophic wind speed is directly related to the vertical rate of change of temper False: A region of low pressure on a surface of constant altitude is ature 10. (1 pt) True False: Temperature typically changes most rapidly with latitude in the vicinity of the jet stream because the wind shear of the zonal wind is typically largest beneath the jet stream

Explanation / Answer

False: if a system has a constant momentum that means the rate of change of momentum is zero so by Newton second law of motion net applied force is zero which in turn means forces are balanced

False: If a system has a constant velocity which means acceleration is zero and so does the applied net force(forces are balanced).

True: It can easily be observed in ocean circular currents where circular motion is due to the balance between Coriolis force and pressure gradient which produce due to the gravity acting on the mass of water body in circular motion.

False: Initially when the wind starts to flow it is perpendicular to the isobars but due to Coriolis force which acts perpendicular in the right direction of motion in northern hemisphere make it flow parallel to the isobars.

True: actually the reason for occurrence of cyclone is low-pressure because of low pressure all the wind starts to flow towards the depression (low pressure) and as long as the low pressure is maintained in the center of the cyclone, cyclone will sustain and once the low-pressure zone fade out the cyclone will collapse at once and we get normal weather.

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