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A. Space, time and motion

A.2 Forces and momentum

A.2.1—Newton’s three laws of motion

A.2.2—Forces as interactions between bodies

A.2.3—Free-body diagrams

A.2.4—Resultant force from diagrams

A.2.5—Contact forces

A.2.6—Normal force

A.2.7—Frictional force

A.2.8—Tension

A.2.9—Hooke’s law restoring force

A.2.10—Viscous drag

A.2.11—Buoyancy

A.2.12—Field forces

A.2.13—Weight

A.2.14—Electric force Fe

A.2.15—Magnetic force Fm

A.2.16—Linear momentum conservation

A.2.17—Impulse

A.2.18—Impulse-momentum change

A.2.19—Newton’s second law forms

A.2.20—Elastic and inelastic collisions

A.2.21—Explosions

A.2.22—Collision energy

A.2.23—Centripetal acceleration

A.2.24—Centripetal force

A.2.25—Direction change in circular motion

A.2.26—Angular and linear speed

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.4 Thermodynamics

B.5 Current and circuits

C. Wave behaviour

C.1 Simple harmonic motion

C.3 Wave phenomena

C.4 Standing waves and resonance

C.5 Doppler effect

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.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. Space, time and motion/A.2 Forces and momentum/A.2.25—Direction change in circular motion

IB Physics HL A.2.25 Direction change in circular motion

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