Mechanics: Define, interpret and apply principles of work, power and energy

Subject outcome

Subject outcome 2.3: Define, interpret and apply principles of work, power and energy

Learning outcomes

  • Define work and identify examples where no mechanical work is done.
  • Define and calculate work done on an object and/or system for vertical and horizontal displacement.
  • Define and apply mechanical power.

Unit 1 outcomes

By the end of this unit you will be able to:

  • Define work and nett work.
  • Calculate the amount of work done on an object when its displacement is either vertical or horizontal.

Unit 2 outcomes

By the end of this unit you will be able to:

  • Define and identify conservative forces.
  • Define and identify non-conservative forces.
  • State and apply the work-energy theorem.

Unit 3 outcomes

By the end of this unit you will be able to:

  • Define and apply mechanical power.

License

Icon for the Creative Commons Attribution 4.0 International License

National Curriculum (Vocational) Physical Science Level 4 by Department of Higher Education and Training is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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