Question

Which of the following is/are example of periodic motion?

a) Motion of a swing

b) Motion of needles of sewing machine

c) Oscillation of a pendulum

d) All of the above​

Answer 1

Answer:

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.