This paper covers the following topics:
- Section A
- Machines — pulley systems, mechanical advantage, velocity ratio, and efficiency
- Momentum calculations (matatu mass and speed context)
- Newton’s laws of motion — third law and application to collisions
- Impulse and take-off speed (footballer kicking a ball)
- Collapsible bumpers and the concept of impulse in car safety
- Section B
- Projectile motion and free fall — velocity-time graph interpretation
- Potential energy and kinetic energy during a dive
- Retarding force and energy losses in water
- Springs in networks — total extension, elastic limit, and elastic potential energy
- Friction — methods of reduction.
- Total Marks:Â 80
- Number of Questions: 14 questions (Questions 1–14)
- Structure: Two sections — Section A (25 marks, answer all questions), Section B (extended-response and calculation questions)


