Question

hot air exerts less pressure geographical reason for the following questions please give me answer

Answer 1

n the atmosphere, warm air does not necessarily have a lower pressure than cold air. The relationship between temperature and air pressure in the atmosphere is complicated. In fact, high atmospheric pressure is often associated with a mass of warm air. Remember that in warm air the molecules are moving faster and can thus exert more force on a surface.

Warm air in the atmosphere is usually less dense than cold air. That means less weight per unit volume. One way to explain air pressure is as the force exerted by the weigh of air above a unit area of the Earth’s surface. Warm air would mean less weight above a unit area (compared with cold air). Hence it may seem reasonable to expect warm air to have less pressure than cold air, but it’s not that simple.

Sorry if that’s a bit confusing, but as far as I know there is no simple relationship between atmospheric pressure and temperature.

Hope it helps!!

Answer 2

Hi

In cool air the molecules are moving faster and can thus exert more force on a surface. Warm air in the atmosphere is usually less dense than cold air. That means less weight per unit volume. ... Hence it may seem reasonable to expect warm air to have less pressure than cold air.

Hope it helps

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