What you’ll learn5 learning objectivesChoose one objective for a focused lesson, or study the complete topic.17.1.1The terms displacement, amplitude, period, frequency, angular frequency and• understand and use the terms displacement, amplitude, period, frequency, angular frequency and phase difference in the context of oscillations, and express the period• In terms of both frequency and angular frequencySyllabus objective17.1.2Simple harmonic motion occurs when acceleration is proportional to• understand that simple harmonic motion occurs when acceleration is proportional to displacement from a fixed point and in the opposite directionSyllabus objective17.1.3A = –ω2x and recall and use, as a solution to this equation, x = x0 sin ωt• use a = –ω2x and recall and use, as a solution to this equation, x = x0 sin ωtSyllabus objective17.1.4The equations v = v0 cos ωt and v = ± ω ()xx0 22−• use the equations v = v0 cos ωt and v = ± ω ()xx0 22−Syllabus objective17.1.5Graphical representations of the variations of displacement, velocity and• analyse and interpret graphical representations of the variations of displacement, velocity and acceleration for simple harmonic motionSyllabus objective