Theme A: Space, time and motion

IB Physics A.2 Forces and momentum: practice questions and video explanations

Newton's three laws, the forces met in mechanics, linear momentum and impulse, and uniform circular motion.

SL and HLFree to practise

What you need to know for A.2 Forces and momentum

  • Draw free-body diagrams and apply Newton’s laws of motion
  • Work with weight, normal force, tension, friction, elastic (Hooke’s law), drag and buoyancy
  • Use momentum, impulse and force-time graphs
  • Apply conservation of momentum to collisions and explosions
  • Relate centripetal force and acceleration to speed, angular velocity and radius

A.2 Forces and momentum questions in the question bank

Exam-style questions
49
Multiple choice (Paper 1A style)
40
Structured (Paper 1B and 2 style)
9
Free to try
43

Every question has a mark scheme. Multiple-choice answers are marked instantly, and for structured questions you open the mark scheme part by part and award yourself the marks you earned. Most questions also have a step-by-step video explanation presented by an IB teacher or a former IB student.

Practise A.2 (SL)Practise A.2 (HL)

Try a free A.2 Forces and momentum question

Real questions from the question bank. Choose an answer and check it, then see the mark scheme and the video explanation.

Free question · 1 of 5Topic A.2Paper 1 styleMedium
A ball undergoes an elastic collision with a vertical wall. Which of the following is equal to zero?
Choose your answer

More from theme A: Space, time and motion

Full practice papers

When you have practised by topic, sit a full SL or HL mock exam with Paper 1A, Paper 1B and Paper 2, or see every IB Physics topic.