Question

why is the motion of a circulating fan non-uniform ?

Answer 1

As it is rotating sometimes slow and sometimes fast... according to the motion of fan and changing speed the circulating fan is non-uniform....

Answer 2

Hey user, here is your answer...
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Why is the motion of a circulating fan is non uniform?

▶We know a fan runs with the help of electricity.

▶When we switch on the fan, it starts circulating(moving) from rest gradually towards a maximum possible circulating speed, hence its 'velocity' increases here.

▶It is known that when velocity increases the motion is non-uniform and also when the direction of velocity changes in each and every point of time in circular motion possessed by the fan, it is regarded as an 'accelerated motion' which is not a uniform motion.
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Hope it helps.
Thanks for the question.