Editing Harmonic oscillator (section)

==Definition of terms==

{| class='wikitable'
|-
! scope="col" | Symbol !! scope="col" | Definition!! scope="col" | Dimensions !! scope="col" | SI units 
|-
|<math>a</math>||Acceleration of mass||<math>\mathsf{LT^{-2}}</math>|| m/s<sup>2</sup> 
|-
|<math>A</math>||Peak amplitude of oscillation||<math>\mathsf{L}</math>|| m
|-
|<math>c</math>||Viscous damping coefficient||<math>\mathsf{MT^{-1}}</math>|| N·s/m
|-
|<math>f</math>||Frequency||<math>\mathsf{T^{-1}}</math>|| Hz
|-
|<math>F</math>||Drive force||<math>\mathsf{MLT^{-2}}</math>|| N
|-
|<math>g</math>||Acceleration of gravity at the Earth's surface||<math>\mathsf{LT^{-2}}</math>|| m/s<sup>2</sup> 
|-
|<math>i</math>||Imaginary unit, <math>i^2 = -1</math>|| — || — 
|-
|<math>k</math>||Spring constant||<math>\mathsf{MT^{-2}}</math>|| N/m
|-
|<math>\mu</math>||Torsion Spring constant||<math>\mathsf{ML^2T^{-2}}</math>|| Nm/rad
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|<math>m, M</math>||Mass||<math>\mathsf{M}</math>|| kg
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|<math>Q</math>||Quality factor||—||—
|-
|<math>T</math>||Period of oscillation||<math>\mathsf{T}</math>|| s
|-
|<math>t</math>||Time||<math>\mathsf{T}</math>|| s
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|<math>U</math>||Potential energy stored in oscillator||<math>\mathsf{ML^2T^{-2}}</math>|| J
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|<math>x</math>||Position of mass||<math>\mathsf{L}</math>|| m
|-
|<math>\zeta</math>||Damping ratio||—|| — 
|-
|<math>\varphi</math>||Phase shift|| — || rad
|-
|<math>\omega</math>||Angular frequency||<math>\mathsf{T^{-1}}</math>|| rad/s
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|<math>\omega_0</math>||Natural resonant angular frequency ||<math>\mathsf{T^{-1}}</math>|| rad/s
|}