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.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.1.1—Kepler’s three laws of orbital motion

D.1.2—Universal gravitation

D.1.3—Point-mass approximation

D.1.4—Gravitational field strength

D.1.5—Gravitational field lines

D.1.6 (HL)—Gravitational potential energy

D.1.7 (HL)—Two-body potential energy

D.1.8 (HL)—Gravitational potential

D.1.9 (HL)—Potential gradient

D.1.10 (HL)—Work in gravitational fields

D.1.11 (HL)—Gravitational equipotentials

D.1.12 (HL)—Equipotentials and field lines

D.1.13 (HL)—Escape speed

D.1.14 (HL)—Orbital speed

D.1.15 (HL)—Atmospheric drag on orbits

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 D.1.15 (HL)—Atmospheric drag on orbits Question Bank

• Small atmospheric drag changes both height and speed of an orbiting body.

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