Physics 1 · Unit 7: Simple Harmonic Motion and Waves · 5 min read · Updated 2026-05-11
Simple Harmonic Motion and Waves Overview — AP Physics 1
AP Physics 1 · Unit 7: Simple Harmonic Motion and Waves · 5 min read
1. Unit at a Glance
This unit is structured around two core connected themes: the behavior of simple harmonic motion systems, and the properties of mechanical waves that propagate through media. Learning builds incrementally from describing SHM to extending periodic motion concepts to traveling and standing waves.
By working through the sub-topics, you will connect energy conservation to SHM dynamics, learn how to describe wave behavior, and apply the superposition principle to explain interference and standing waves, which are key to understanding sound and many real-world systems.
Common Pitfalls
Why: Only periodic motion with a restoring force proportional to displacement from equilibrium qualifies as SHM.
Why: Wave speed is determined solely by the properties of the medium it travels through.
Why: Closed-end pipes have different harmonic sequences than open-end pipes, due to different node/antinode positions.