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29 May, 09:50

Many people believe that a vacuum created inside a vacuum cleaner causes particles of dirt to be drawn in. actually, the dirt is pushed in. explain your answer.

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  1. 29 May, 11:20
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    Your moving air in a vacuum cleaner, there is no central "vaccum". a series of fans move air, the moving air pushes the dirt until it is caught by a filter medium which the air is small enough to get through but the dirt is not. The air is then expelled from the device.

    I guess you could use pistons to move the air as well, but either way your compressing air not pulling air away.
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