Question

Answer the following questions.
1. Define pressure. Give two applications of air pressure from our daily lives.
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Answer 1

Answer:

The pressure of the liquid (blood) forces the liquid to move into the syringe when its plunger is withdrawn.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.

Answer 2

Answer:

Pressure is the force that is produced when something is pressed. It is the force applied on a given area or force/area. It's SI unit is Pascal.

Two applications of air pressure from our daily lives are:-

1) Atmospheric pressure.

2) Suction of air from a vaccum flask.