1. The shape of an object affects airflow over it
The shape of an object affects airflow over it. Using sporting examples from individual activities, examine how athletes utilise this knowledge to adopt a technique to improve their performance. (8)

2. The flight path of a ball is affected by applying spin to it
The flight path of a ball is affected by applying spin to it. Examine the effect of backspin on a tennis ball. (8)

4. Calculate the ‘moment of force’ at the knee in both exercises
Calculate the ‘moment of force’ at the knee in both exercises. You must show your working. (i) Front squat (2) (ii) Smith machine squat (2)