10.1.8. Annotate a free-body diagram showing the direction of relevant forces acting on an athlete or object in sports.

10.1.1. Describe friction.

10.1.2. Describe the coefficient of friction.

10.1.3. Distinguish between the coefficient of static friction and dynamic friction.

10.1.4. Explain the influence of friction on sports performance.

10.1.5. Define drag.

10.1.6. Outline different types of drag that can be found in a variety of sporting environments.

10.1.7. Discuss factors that influence the amount of drag in sports.