Tag Archives: atmospheric pressure

Atmospheric pressure is the weight of air per unit area.Its value varies with altitude.The value of  atmospheric pressure at sea level is 1.013 x105 N/m2    The Earth is surrounded by a cover of air called atmosphere. It extends to a few hundred kilometers above sea level. Just as certain sea creatures live at the bottom of ocean, we live at the ...

What is Pressure? “The force acting normally per unit area on the surface of a body is called pressure”. Press a pencil from its ends between the palms. The palm pressing the tip feels much more pain than the palm pressing its blunt end. We can push a drawing pin into a wooden board by pressing it by our thumb. ...