Class 11PhysicsOscillationsPeriodic, Oscillatory motion and its characteristics and types of SHM and Equation of SHM
MediumDefine periodic motion and oscillatory motion.
(N/A) $1$. Periodic Motion: $A$ motion that repeats itself at regular intervals of time is called periodic motion. For example,the revolution of the Earth around the Sun or the motion of the hands of a clock.
$2$. Oscillatory Motion: $A$ motion in which a body moves to and fro or back and forth about a fixed point (mean position) is called oscillatory motion. For example,the motion of a simple pendulum or the vibration of a string in a musical instrument.
Note: All oscillatory motions are periodic,but not all periodic motions are oscillatory.
$2$. Oscillatory Motion: $A$ motion in which a body moves to and fro or back and forth about a fixed point (mean position) is called oscillatory motion. For example,the motion of a simple pendulum or the vibration of a string in a musical instrument.
Note: All oscillatory motions are periodic,but not all periodic motions are oscillatory.
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$(b)\; x = \cos (\pi/6 - t)$
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$(d)\; x = 2 \cos \pi t$
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