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Rev. Notes > IGCSE > Pressure
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Pressure Atmospheric pressure Pressure in case of liquid
Mercury barometer Manometer

Atmospheric pressure

We are living in a sea of gases,which we call the atmosphere.

It exerts a great pressure on our bodies.

It pushes us inwards from all sides.

Our lungs do not collapse,because the same air pressure flows into our lungs and presses outwards.

The atmospheric pressure is sometimes called one atmosphere or one bar.

1 bar = 100000 Pa = 100 K Pa

1 atm = 101.325 X 10Pa = 101 K Pa
1 Torr = 133.32 Pa
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View Comments on this Chapter - Total Comments (6)
Amaan Said :
Insufficient information
  26/11/15 01:23 PM
Uwase Sandrine Said :
A picture could help with again more details
  23/01/15 07:58 AM
Uwase Sandrine Said :
it would be good if it was detailed with a few examples and more explanation but thankx anyway saved my life
  23/01/15 07:49 AM
abdirahman Said :
i really need more details on pressure!!
  03/05/12 08:17 AM
Zoyaa Said :
Yeah good explanation but i need more in detail. Anyways Thank You :)
------------------------------------------------------------------------------------- Admin Replied:

Thanks Zoyaa, for your comments. We will try to add more details very soon.

  09/04/12 06:17 PM
Zeenat Said :
Good understanding of pressure, but it will be good if few more examples are there.
------------------------------------------------------------------------------------- Admin Replied:

Thank you for your comment. We are trying our best to make it possible.

  20/12/11 09:42 AM


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