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Atmospheric pressure
 

Atmospheric pressure

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    Atmospheric pressure Atmospheric pressure Presentation Transcript

    • Atmospheric Pressure
    • Force applied moves the still object Atmospheric Pressure
    • Moving Object stands still Atmospheric Pressure
    • Object in motion changes it’s direction Atmospheric Pressure
    • Object changes it’s shape Atmospheric Pressure
    • Effect produced due to force is more when the surface area is smaller and less when the surface area is larger. One edge of drawing pin is flat while another is sharp It is easier to cut with sharp knife rather than blunt one. Vertically placed brick soaks more in mud then horizontally placed Atmospheric Pressure
    • Force exerted on surface area on one unit is called Pressure. Pascal is the unit of Pressure. Pressure = ------- Force Area Standstill Liquid and Gas exerts pressure Pressure exerted on earth because of atmosphere is called Atmospheric Pressure Atmospheric Pressure
    • Effects of atmospheric pressure Atmospheric Pressure
    • At sea level the atmospheric pressure is more As we go higher the pressure decreases. It becomes difficult to breathe as we climb higher. Atmospheric Pressure Sea Breeze
    • Atmospheric pressure Atmospheric Pressure changes according to time and place.. Due to this difference in pressure, wind blows. Land Breeze