Editing Simple harmonic motion (section)

===Uniform circular motion===
Simple harmonic motion can be considered the one-dimensional [[projection (mathematics)|projection]] of [[uniform circular motion]]. If an object moves with angular speed {{math|''ω''}} around a circle of radius {{math|''r''}} centered at the [[origin (mathematics)|origin]] of the {{math|''xy''}}-plane, then its motion along each coordinate is simple harmonic motion with amplitude {{math|''r''}} and angular frequency {{math|''ω''}}.