An athlete lands on a thick foam safety mattress after completing a high jump. Which statement correctly explains how the foam mattress reduces the risk of injury to the athlete?
The mattress increases the landing time, thereby reducing the average force exerted on the athlete.
The mattress reduces the total change in momentum of the athlete during the landing.
The mattress reduces the total impulse exerted on the athlete by the ground.
The mattress reduces the total kinetic energy lost by the athlete during the landing.
78 exam-style questions on CIE IGCSE Physics Momentum, covering Momentum. Each one has a worked solution and a mark scheme showing where the marks go.