IB Physics HL · A.4 Rigid body mechanics
Moment of inertia for IB Physics HL
Moment of inertia is mapped to A.4 Rigid body mechanics in the IB Physics HL pathway. Use this public guide to see exactly where the concept fits, what to master, and which GioPhysics resource continues the study sequence.
Where this fits
A.4 Rigid body mechanics
- Curriculum
- IB Physics HL
- Theme or group
- Space, time and motion
- Current framework
- First assessment 2025
Mechanics, energy, rigid bodies, and relativity.
Mastery checklist
Know what success looks like.
- 01
Define the system, then show every external interaction with a clear direction.
- 02
Apply Newton's laws or a conservation law component by component.
- 03
Test the result against units, limiting cases, and the direction of the predicted change.
Exam lens
Build, apply, check.
A.4 Rigid body mechanics is identified as HL only in this curriculum map. Build the concept first, then practise selecting a model, showing working, and checking the final result.
Teaching sequence
A.4 Rigid body mechanics
This syllabus point maps to 5 ordered concept guides.
- 01Torque and rotational dynamics
- 02Moment of inertiaCurrent guide
- 03Rotational work, energy, and power
- 04Angular momentum
- 05Angular-momentum conservation