Periodic vs. oscillatory motion

AI Thread Summary
Periodic motion refers to motion that repeats at regular intervals, while oscillatory motion is a specific type of periodic motion characterized by movement around a central point or mean position. Simple Harmonic Motion (S.H.M) is a form of oscillatory motion where acceleration is directly proportional to displacement. The discussion highlights confusion in distinguishing between oscillatory motion, periodic motion, and S.H.M, emphasizing their interrelatedness. Clarifying definitions and separating the concepts can help in understanding the distinctions better. Understanding these terms is crucial for accurately answering related questions.
abdsaber000
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Homework Statement
To and fro motion of a particle about a mean position is called:
(oscillatory motion and periodic - oscillatory motion and S.H.M - harmonic motion and periodic)
Relevant Equations
none
I'm hesitated between the first and second choice
 
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Welcome to PF. :smile:

Does your textbook give definitions of each? If not, have you looked online (like at Wikipedia) to see what the common definitions are?
 
berkeman said:
Welcome to PF. :smile:

Does your textbook give definitions of each? If not, have you looked online (like at Wikipedia) to see what the common definitions are?
yeah my textbook gives it a definition, the defintion mentioned in the question the definition of the oscillatory motion , but i know that oscillatory motion is a special case of periodic motion . in addition that in S.H.M the acceleration is directly proportional to the displacement. but the S.H.M has also a mean position like the oscillatory. that's why i can't decide which is answer is correct.
 
abdsaber000 said:
(oscillatory motion and periodic - oscillatory motion and S.H.M - harmonic motion and periodic)
It is unclear where one choice ends and the next begins.
Please put each choice on a separate line.
If the above mixes in definitions of the terms, please make that clearer too.
abdsaber000 said:
S.H.M has also a mean position
I would think any regular oscillation has to have a mean position.
 
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