Question

which of these does not show periodic motion ?
a. a girl swinging

b. a bob of pendulum

c. a moving train

d. strings of a guitar

Answer 1

Answer:

B

Explanation:

Answer 2

Answer:

(c) moving train

Explanation:

The best example of the periodic motion is the earth's revolution around the sun. The other examples are pendulum, string, and swing. While a running train continues in a single direction and this is the reason why a running train's motion is not a type of periodic motion.