Air Pressure
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Example:
Imagine you're at a crowded concert, trying to move through a dense crowd to reach the front. Just as each person in the crowd is exerting a force against you, making it difficult to move, air pressure is the weight of air molecules pressing down on a surface. In both situations, the force exerted by each individual (whether a person or an air molecule) accumulates to create significant pressure, making it challenging to move forward or, in the case of air pressure, to lift against it.
Practice Version
Air Pressure: The weight of the air pressing down on a surface. Air pressure. Air pressure is the force exerted by the weight of air molecules on a surface.