how can you say that an oscillatory motion is a periodic motion
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hey dear..!!!
Explanation:
All oscillatory motions are periodic because each oscillations gets completed in a definite interval of time. Eg: On being pulled and then released, a load attached to a spring executes oscillatory motion.
On the other hand, all periodic motions may not be oscillatory. Eg: Revolution of planets around the Sun is a periodic motion but not an oscillatory motion (i.e. no to and fro motion about its mean position is present).
#note
"Oscillatory motion" is motion that repeats over and over again after a time T that is called the "period." This motion is also called "periodic motion" with a "repeat time" T.
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