Is it correct to say all periodic motions are oscillatory motion and vice versa.Give reasons?
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ANWER
RIGHT STATEMENT
All oscillatory motions are periodic motions.
WRONG STATEMENT
All periodic motions are oscillatory motions.
LET DISCUSS FIRST WHAT IS PERIODIC MOTION
DEFINITION
Periodic motion, , motion repeated in equal intervals of time.
EXAMPLE
a bouncing ball, a vibrating tuning fork, a swing inmotion, the Earth in its orbit around the Sun, and a water wave.
OSCILLATORY. MOTION
Motion which repeated itself called oscillatory motion
NOW BACK ON QUESTION
In periodic motion the motion repeated itself after a fixed time of interval and in oscillatory motion it is not important.
MORE EXAMPLE
1)For example, the earth completes one revolution around the sun in 1 year but it is not a to and fro motion about any mean position. Hence its motion is periodic not oscillatory.
RIGHT STATEMENT
All oscillatory motions are periodic motions.
WRONG STATEMENT
All periodic motions are oscillatory motions.
LET DISCUSS FIRST WHAT IS PERIODIC MOTION
DEFINITION
Periodic motion, , motion repeated in equal intervals of time.
EXAMPLE
a bouncing ball, a vibrating tuning fork, a swing inmotion, the Earth in its orbit around the Sun, and a water wave.
OSCILLATORY. MOTION
Motion which repeated itself called oscillatory motion
NOW BACK ON QUESTION
In periodic motion the motion repeated itself after a fixed time of interval and in oscillatory motion it is not important.
MORE EXAMPLE
1)For example, the earth completes one revolution around the sun in 1 year but it is not a to and fro motion about any mean position. Hence its motion is periodic not oscillatory.
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