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14.7 pounds
1 ton (40 cubic feet) = 1.133 cubic metres.
1000 kg of weight of air is always over your head . Even though air molecules are too small to observe or to see all the molecules of air in the atmosphere above your head weight something . This combined weight of the air resembles a pressure on your body which is approximately equals to 1000 Kg/m.
Even though air molecules are too small to observe or to see all the molecules of air in the atmosphere above your head weight something . This combined weight of the air resembles a pressure on your body which is approximately equals to 1000 Kg/m. So the weight is 1000 Kg . Aakash EduTech Pvt.
When we weigh some object in air it displaces air in that space which provides little upward force which make it weigh less. When we weigh some object in air it displaces air in that space which provides little upward force which make it weigh less. Upward force cancels the force due to gravity.
1)The 3 main factors that affect barometric (air) pressure are:
about 14.7 pounds per square inch
1084.8 hPa
Overpressure
Overpressure | Physical Effects |
---|---|
10 psi | Reinforced concrete buildings are severely damaged or demolished. Most people are killed. |
5 psi | Most buildings collapse. Injuries are universal, fatalities are widespread. |
3 psi | Residential structures collapse. Serious injuries are common, fatalities may occur. |
about 0.47 atm
Reduced air pressure also has a serious effect on the human body. Reduced air pressure means that there is less oxygen available to the body. For lungs to inflate, the air pressure in your lungs has to be less than the air outside the lungs.
Ebullism, formation of bubbles in the bodily fluids because of an extreme reduction in the surrounding pressure. Aircraft pilots are susceptible to ebullism when they venture into the upper atmosphere; the higher the pilot goes, the lower the surrounding pressure becomes.
Pressure and Pain Can it cause headaches and other discomforts? A. Differences in air pressure because of the weather or changes in altitude can have noticeable effects on the human body, though some people are more sensitive than others.