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VMariaS [17]
3 years ago
11

a ceiling fan's blades collect dust faster than other objects in a room. the constant pushing and rubbing against the air provid

e a cool breeze for the people in the room. what causes the ceiling fan´s blade to collect dust so quickly.
Chemistry
1 answer:
Black_prince [1.1K]3 years ago
8 0

As the blades rotate, they experience frictional forces as they `rub' against the air; this knocks electrons around, causing the blades to build up a net charge. The charged dust particles then stick to the charged areas of the blades. "The leading edge of the blades usually develops the thickest layer of dust.

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