Space, time, and motion

A1. Kinematics

A2. Forces and momentum

A3. Work, energy, and power

A4. Rigid body mechanics

A5. Galilean and special relativity

TOK questions associated with this unit:

• What else is relative? Where did the concept of relative motion come into physics?

• Is there such a thing as constant acceleration? Why study it if it is so rare?

• What is the difference between a law and a rule?

• Centripetal force is another example of perception vs physical reality. Ones feeling when you go round a corner in a car is that you are being pushed outwards however physics says the force is inwards.