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

Question

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] · Answer 1 · 2022-05-22T06:21:01+03:00

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.