The body is said to be in a motion if it repeats its motion in a fixed interval of time.
A
periodic
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B
circular
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C
rectilinear
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Solution
The correct option is A periodic <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
The motion repeated in equal intervals of time is called periodic motion. The interval of time for repetition of the motion is called a period.
Examples: Vibration of a tuning fork or to and fro motion of a pendulum.