sˈɪns ðæt mˈoʊʃən ɪz ˈɔːlweɪz sˈɜːkjʊlɚ, ðə sˈaɪklətɹˌɑːn fɹˈiːkwənsi ɪz ɡˈɪvən baɪ iːkwˈɔlᵻɾi ʌv sˈɛntɹaɪptəl fˈoːɹs ænd mæɡnˈɛɾɪk lˈɔːɹɛnts fˈoːɹs
Since that motion is always circular, the cyclotron frequency is given by equality of centripetal force and magnetic Lorentz force