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Defind pressure? write Applications of pressure?
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The pressure of the liquid (blood) forces the liquid to move into the syringe when its plunger is withdrawn. ... When air is sucked out of a drinking straw, the air pressure inside if decreases and the atmospheric pressure outside forces the liquid to go inside the straw.
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Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
applications on pressure are -
- Drinking starw.
- Syringe.
- Dropper
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