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WHAT IS THE DIFFERENCE BETWEEN PERIODIC MOTION,OSCILLATORY MOTION,AND SHM

WHAT IS THE DIFFERENCE BETWEEN PERIODIC MOTION,OSCILLATORY MOTION,AND SHM

Grade:12

7 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

The word oscillatory refers to something that moves back and forth repeatedly. The word periodic refers to something that repeats after a regular amount of time.

While oscillatory motion will almost certainly be periodic, not all periodic motion will be oscillatory.

A common example is the orbit of the earth around the sun. A complete orbit takes roughly 365 days and therefore this is a periodic motion. However, cannot be said to be oscillatory.

vikas askiitian expert
509 Points
13 years ago

dear amit

Periodic motion is that motion which repeats itself after equal intervals of time. The interval of time is called the time period of periodic motion. Example: (i) motion of planets around the sun (ii) motion of the pendulum of a wall clock (iii) motion of the hands of a clock etc.

If a body is moving back and forth repeatedly about a mean position, it is said to possess oscillatory or vibratory motion. Example: (i) motion of the pendulum of a clock (ii) vibrations of the string of a sitar etc.An oscillatory motion is always periodic. A periodic motion may or may not be oscillatory. For example, the motion of planets around the Sun is always periodic but not oscillatory. The motion of the pendulum of a clock is periodic as well as oscillatory.
14645656
14 Points
9 years ago
The word oscillatory refers to something that moves back and forth repeatedly. The word periodic refers to something that repeats after a regular amount of time.
the motion of planets around the Sun is always periodic but not oscillatory. The motion of the pendulum of a clock is periodic as well as oscillatory.
HARSHIT RAWAT
19 Points
7 years ago
Hello students it`s Harshit RawatOscillatory motion can be defined as a motion in which the particle or a set of unit which is taken as consideration is moving about its mean position after a particular time intervalIt can be of following typesDamped oscillation in which the particle after oscillating for a time period starts retarding its acceleration and come to rest so from this we can say that it may be or may not be periodic but as such in exam my frnds take it part of periodic
suresh
11 Points
6 years ago
Oscillatory motion is a type of periodic motion. But not vice a versa. It is a subset of periodic motion
Khusbu
19 Points
6 years ago
A motion which repeats itself after equal intervals of time is known as periodic motion.
A motion which don't repeat itself after equal intervals of time is known as non periodic motion
Rishi Sharma
askIITians Faculty 646 Points
3 years ago
Dear Student,
Please find below the solution to your problem.

Periodic motion is that motion which repeats itself after equal intervals of time.
The interval of time is called the time period of periodic motion.
Example:
(i) motion of planets around the sun
(ii) motion of the pendulum of a wall clock
(iii) motion of the hands of a clock etc.
If a body is moving back and forth repeatedly about a mean position, it is said to possess oscillatory or vibratory motion.
Example:
(i) motion of the pendulum of a clock
(ii) vibrations of the string of a sitar etc.
An oscillatory motion is always periodic.
A periodic motion may or may not be oscillatory.
For example, the motion of planets around the Sun is always periodic but not oscillatory.
The motion of the pendulum of a clock is periodic as well as oscillatory.
Simple harmonic motion is repetitive movement back and forth through an equilibrium, or central, position, so that the maximum displacement on one side of this position is equal to the maximum displacement on the other side.
The time interval of each complete vibration is the same.
The force responsible for the motion is always directed toward the equilibrium position and is directly proportional to the distance from it.
F = −kx,
where F is the force,
x is the displacement, and
k is a constant.
This relation is called Hooke’s law.

Thanks and Regards

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