Q.

The motion of a body that repeats itself after a regular interval of time is –

A. a periodic motion
B. a simple harmonic motion
C. an aperiodic motion
D. an oscillatory motion
Answer» A. a periodic motion
Explanation: The motion of a body that repeats itself after a regular interval of time is called 'Periodic Motion'. Simple Harmonic Motion is a type of periodic motion where the restoring force is directly proportional to the displacement.
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