![]() The period of motion of an hour’s hand is 12 hrs, of a minute’s hand is 1 hour and of the second’s hand of a clock is 1 minute.Ī simple pendulum, when pulled from its rest position to one side and released, makes to and fro motion (oscillatory motion) is said to be periodic. The requirement that the motion of a body or an object must satisfy to be periodic is that it possesses a definitive period where the least interval of time after which the periodic motion of a body repeats itself is called the period T. The fixed interval of time after which the motion is repeated is called the period of motion. ![]() If a body recurs its motion along a definite path, about a certain point after a fixed interval of time is called the periodic motion. This fixed interval of time is called the time period however the teacher coming and leaving your class daily is the periodic motion of your teacher. You have seen in schools that each lecture is allotted a fixed interval of time. This motion can be represented by a sinusoidal wave as shown below: Here, Ω = 2 πf, Ω is the angular speed and f is the frequency. Such motion is characterized by the angular frequency, where the body displaces by some angle at some speed called the angular speed given by, If an object moves such that it repeats its path regularly after equal intervals of time, it's motion is said to be periodic. We generally describe the motion of bodies in the way they move.
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