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Force, Mass & Acceleration II is part of the Science Through Sport series designed to reinforce scientific and mathematical principles through the use of sport science concepts.

Force, Mass & Acceleration II is suitable for senior secondary students aged 16 – 18 years. It expands on the FMA relationship using applied, practical and real examples. It details the expansion of Newton’s second law of motion and explains impulse and momentum and the relationship between the two. Vectors are examined and explanations are given for solving forces not acting along the same line.

The extension section is provided for students who are particularly interested in this topic area and wish to take the concepts further by moving from basic applications to those that are more complex, such as impulse and projectile motion.

The two learning tools in this resource allow you to manipulate mechanical principles applied to real practical examples. Learning Tool 1 allows students to solve vectors not acting along the same line. Learning Tool 2 provides shot putt, golf and soccer examples to explain the impulse and momentum relationship. The unit can be broken down into an approach where the understanding of force is developed logically and applied to sporting examples and practical situations.

Students will:

- be able to solve force vectors and determine the net force

- understand the term momentum

- understand the term impulse

- be able to develop the F=ma equation into the equation for impulse

- be able to work with the impulse – momentum equation

- be able to conduct experimental investigations of uniformly acceleration motion to apply the F=ma equation

- be able to calculate the momentum of an object using the equation:

momentum=mass x velocity

- understand the need to both develop and reduce force in movement and sport

- understand how impulse relates to technique and movement in sport.

In the extension section students will:

- apply the impulse – momentum equation to projectile motion

- understand the equations of projectile motion; range, height and time in the air

- consider the effects of changing impulse on momentum and projectile motion.

The CD-ROM also features ready-to-use worksheets, factual information, practical activities, laboratory-style investigations, and a PowerPoint presentation.

Topic areas covered include:

Working with forces and their effects

- Applying force to an object

- What is momentum?

- A sporting application of momentum

- What is impulse?

- How does impulse relate to momentum?

- Impulse and momentum applied to sport

- Impulse-momentum relationship to improve performance and prevent injury

- How does this relate to technique?

- Force vectors and balanced forces

- Adding and subtracting forces acting along the same direction

- Solving for forces that are not acting along the same line

- What is the graphical method to solve for these forces?

- What is the mathematical method?

Extension – Developing the FMA relationship

- What is projectile motion?

- External forces acting on projectiles

- The shape of parabolic flight paths

- What is the optimum release angle of projectile motion?

For more information, to view an online demonstration and to use a trial version of the learning tools, please visit www.sciencethroughsport.com

Force, Mass & Acceleration II – Senior Secondary

Click for additional detail of the Learning Tools