Simple Harmonic Motion
Any motion that repeats itself in equal intervals of time is called periodic motion.
Examples: The spin of earth, the motion of the moon round the earth etc.,
If a particle in periodic motion moves back and forth. OVer the same path, we call the
motion oscillatory or vibratory.
Eg: The oscillations of the balance wheel of a watch, a violin string, a mass attached
to a spring, air molecules as a sound wave passes by.
Not only mechanical system oscillate Radio waves, microwaves and visible light are
oscillating magnetic and electric field vectors.
When the periodic motion is about a point along a straight line, it is known as Simple
Harmonic Motion (S.H.M).........>>>>>>>>>>>>
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