A car hits a barrier. A crumple zone increases the time taken for the car to stop. Which statement explains why this reduces the risk of injury?
The deceleration decreases, so the force on the passenger decreases.
The deceleration increases, so the force on the passenger decreases.
The deceleration decreases, so the force on the passenger increases.
The deceleration increases, so the force on the passenger increases.
126 exam-style questions on Edexcel GCSE Physics 2.5 Stopping and braking distances, covering 2.5.1 Stopping distance and reaction time, 2.5.2 Factors affecting stopping distance, 2.5.3 Dangers of large decelerations, and 2.5.4 Braking distance and initial speed. Each one has a worked solution and a mark scheme showing where the marks go.