Why the motion of a fan is called rotatory and not circular even if the fan moves in a circle i.e. what is the difference between rottory and circular motion ?


Motion of the fan is rotational not circular.If we consider fan as a small particle , does it go on circular track? Of course no. Then how we can say it is in circular motion.

Actually the fan is moving about its fixed axis so its motion is rotational. Here every particle of the fan has different velocities.

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