Question

how to understand simple harmonic motion or harmonic oscillation
what are the Pre-requisites of it ​
my basics are not good

Answer 1

$\huge\bold\purple{Answer}$

simple harmonic motion

⟶Simple harmonic motion is defined as a periodic motion of a point along a straight line, such that its acceleration is always towards a fixed point in that line and is proportional to its distance from that point.

Pre-requisites

⟶A prerequisite means a course or other requirement that a student must have taken prior to enrolling in a specific course or program.