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Preliminary Physics

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3 | Moving about

5: Safety devices are utilised to reduce the effects of changing momentum

Lesson 1 | Inertia

  • Define the inertia of a vehicle as its tendency to remain in uniform motion or at rest.

  • Discuss reasons why Newton’s First Law of Motion is not apparent in many real world situations.

  • Gather and process first-hand data and/or secondary information to analyse the potential danger presented by loose objects in a vehicle.

Lesson 2 | Vehicle safety

  • Assess the reasons for the introduction of low speed zones in built-up areas and the addition of air bags and crumple zones to vehicles with respect to the concepts of impulse and momentum.

  • Evaluate the effectiveness of some safety features of motor vehicles.

  • Identify data sources, gather, process, analyse, present secondary information and use the available evidence to assess benefits of technologies for avoiding or reducing the effect of a collision.

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  • HSCStudy Lab Lessons

    53 Lessons

    Lessons by expert teachers that cover the NSW Preliminary Physics Syllabus comprehensively.

  • HSCStudy Lab Quizzes

    53 Practice questions

    53 lesson quizzes that include a variety of questions. This course also includes 20 focus level and 4 module level tests, as well as a comprehensive end of course practice exam.

  • HSCStudy Lab videos

    49 Hours of video

    Videos that fully explain complex physics questions through animation, practical experiments, and tutorials.

  • HSCStudy Lab interactives

    21 Interactive activities

    Interactive activities that help you explore and understand key syllabus dot points as well as additional resources such as an interactive oscilloscope.

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