Question

Rotation of fan blade is a
a ?

A. Permanent change
B. Periodic change
C.Undesirable change
D. Non - periodic change
​

Answer 1

Answer:

B.) periodic change

Explanation:

hopes it will helps you a lot dear..

Answer 2

Answer:

answer is B) periodic motion

Explanation:

Periodic motion, in physics, motion repeated in equal intervals of time. Periodic motion is performed, for example, by a rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion, the Earth in its orbit around the Sun, and a water wave. so i told it is B option is