Question
Question: Which one of the following is not a periodic motion?...
Which one of the following is not a periodic motion?
A
Rotation of the earth about its axis
B
A freely suspended bar magnet displaced from its N-S direction and released.
C
Motion of hands of a clock
D
An arrow released from a bow.
Answer
An arrow released from a bow.
Explanation
Solution
An arrow released from a bow is not a periodic motion while all others are periodic motion.