Oscillations and Simple Harmonic Motion

What the unit covers

The resources start with the basics: what it means to oscillate, and what makes motion simple harmonic. The mind map SIMPLE HARMONIC MOTION sets out the requirements, namely a mass and a linear restoring force that is directly proportional to displacement from the equilibrium point. The mind map SHM lists key definitions such as amplitude, period and phase difference.

Where to start

Begin with the mind map Oscillations, which uses everyday examples like a swing, a pogo-stick and a pendulum in a grandfather clock. Then read one of the lesson notes, such as the AHL Topic 9 SHM Lesson 2 notes, which list textbook references and the understandings covered in the lesson. Next, move to flashcards.

• Oscillations flashcards define equilibrium, displacement, amplitude, phase difference and angular frequency.
• Pendulums and Mass-Spring Systems covers time period, accuracy and small angles.
• Damping and Resonance asks what underdamped, critically damped and overdamped mean.

Practical work and quizzes

The slide set Required Practical 7 lists the equipment for a spring and masses experiment and the method, step by step. The AHL Topic 9 SHM Equations of Motion Quiz gives a worked-style problem about a baby bouncer hung on elastic ropes, a good test once you know the equations.

Using maps and quizzes together

Read a mind map first, then take the quiz and note which ideas you missed. Return to the map branch that matches, then try the flashcards on that point. Resources also mention A-level Physics, IB and IB Physics, so you can pick material that matches your course.

Where it fits

This unit sits in the Waves, Sound and Light strand of Physics, alongside other wave topics. Choose one resource today, and then add your own notes where the community's material leaves a gap.