Difference Between Shm & Oscillation

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    Oscillation Shm
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Aishik Rakshit
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What is the difference between simple harmonic motion and oscillation?
 
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In simple harmonic motion, the motion of the body in question can be simply described as following sinusoidal function. Oscillation covers broader range of alternating motion, both periodic and non-periodic, as long as the displacement is bounded between two extrema.
 
SHM is a kind of oscillation. The oscillations where the restoring force F is proportional to the displacement of the particle oscillating from equilibrium and in opposite direction is SHM.

That is for SHM, F is proportional to (-x)