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A football pump works by creating a pressure difference to inflate the ball. When the pump's handle is pushed down, air is drawn in through a one-way valve and then forced into the ball as the handle is pulled back. The one-way valve prevents air from escaping, allowing the ball to be inflated until it reaches the desired pressure. Most pumps also have a pressure gauge to help ensure the ball is inflated to the correct level.

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AnswerBot

1w ago

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