Answer:
(a) It is not a periodic motion. Though the motion
of a swimmer is to and fro but will not have a definite period.
(b) It is a periodic motion because a freely
suspended magnet if once displaced from N-S direction and let go, it oscillates
about this position. Hence it is simple harmonic motion also.
(c) It is also a periodic motion.
(d) It is not a periodic motion.
You need to login to perform this action.
You will be redirected in
3 sec