A. Space, time and motion

A.1 Kinematics

A.2 Forces and momentum

A.3 Work, energy and power

A.4 Rigid body mechanics

A.4.1 (HL)—Torque

A.4.2 (HL)—Rotational equilibrium

A.4.3 (HL)—Unbalanced torque

A.4.4 (HL)—Angular motion quantities

A.4.5 (HL)—Angular motion equations

A.4.6 (HL)—Moment of inertia

A.4.7 (HL)—Point-mass moment of inertia

A.4.8 (HL)—Rotational Newton’s second law

A.4.9 (HL)—Angular momentum

A.4.10 (HL)—Angular momentum conservation

A.4.11 (HL)—Angular impulse

A.4.12 (HL)—Rotational kinetic energy

A.5 Galilean and special relativity

B. The particulate nature of matter

B.1 Thermal energy transfers

B.2 Greenhouse effect

B.3 Gas laws

B.4 Thermodynamics

B.5 Current and circuits

C. Wave behaviour

C.1 Simple harmonic motion

C.2 Wave model

C.3 Wave phenomena

C.4 Standing waves and resonance

C.5 Doppler effect

D. Fields

D.1 Gravitational fields

D.2 Electric and magnetic fields

D.3 Motion in electromagnetic fields

E. Nuclear and quantum physics

E.1 Structure of the atom

E.2 Quantum physics

E.3 Radioactive decay

E.4 Fission

E.5 Fusion and stars

S Skills in Physics

S1.1 Experimental techniques

S1.2 Technology

S1.3 Mathematics

S2.1 Exploring and designing

S2.2 Collecting and processing data

S2.3 Concluding and evaluating

IB Physics HL A.4.2 (HL)—Rotational equilibrium Question Bank

• Bodies in rotational equilibrium have a resultant torque of zero.

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